Home / 1,040,403.57-1,560,605.34-292,449.57

Finding the Fourth Proportional to 1,040,403.57, 1,560,605.34 and 292,449.57

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Solution

The fourth proportional to 1,040,403.57, 1,560,605.34 and 292,449.57 is: 438,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,403.57 : 1,560,605.34 = 292,449.57 : x
  2. Step 2: Convert to fraction form
    1,040,403.57/1,560,605.34 = 292,449.57/x
  3. Step 3: Cross multiply
    1,040,403.57x = 1,560,605.34 × 292,449.57
  4. Step 4: Simplify right side
    1,040,403.57x = 456,398,360,622.70
  5. Step 5: Solve for x
    x = 456,398,360,622.70/1,040,403.57
  6. Step 6: Final answer
    x = 438,674.35

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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.