Home / 1,036,713.68-1,555,070.52-438,350.48

Finding the Fourth Proportional to 1,036,713.68, 1,555,070.52 and 438,350.48

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Solution

The fourth proportional to 1,036,713.68, 1,555,070.52 and 438,350.48 is: 657,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,713.68 : 1,555,070.52 = 438,350.48 : x
  2. Step 2: Convert to fraction form
    1,036,713.68/1,555,070.52 = 438,350.48/x
  3. Step 3: Cross multiply
    1,036,713.68x = 1,555,070.52 × 438,350.48
  4. Step 4: Simplify right side
    1,036,713.68x = 681,665,901,100.50
  5. Step 5: Solve for x
    x = 681,665,901,100.50/1,036,713.68
  6. Step 6: Final answer
    x = 657,525.72

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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.