Home / 732,140.78-1,010,346.48-409,853.52

Finding the Fourth Proportional to 732,140.78, 1,010,346.48 and 409,853.52

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Solution

The fourth proportional to 732,140.78, 1,010,346.48 and 409,853.52 is: 565,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,140.78 : 1,010,346.48 = 409,853.52 : x
  2. Step 2: Convert to fraction form
    732,140.78/1,010,346.48 = 409,853.52/x
  3. Step 3: Cross multiply
    732,140.78x = 1,010,346.48 × 409,853.52
  4. Step 4: Simplify right side
    732,140.78x = 414,094,061,247.61
  5. Step 5: Solve for x
    x = 414,094,061,247.61/732,140.78
  6. Step 6: Final answer
    x = 565,593.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.