Home / 1,120,514.16-1,680,770.16-410,597.76

Finding the Fourth Proportional to 1,120,514.16, 1,680,770.16 and 410,597.76

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Solution

The fourth proportional to 1,120,514.16, 1,680,770.16 and 410,597.76 is: 615,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,514.16 : 1,680,770.16 = 410,597.76 : x
  2. Step 2: Convert to fraction form
    1,120,514.16/1,680,770.16 = 410,597.76/x
  3. Step 3: Cross multiply
    1,120,514.16x = 1,680,770.16 × 410,597.76
  4. Step 4: Simplify right side
    1,120,514.16x = 690,120,462,770.84
  5. Step 5: Solve for x
    x = 690,120,462,770.84/1,120,514.16
  6. Step 6: Final answer
    x = 615,896.24

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.