Home / 732,628.80-1,098,943.20-520,052.40

Finding the Fourth Proportional to 732,628.80, 1,098,943.20 and 520,052.40

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Solution

The fourth proportional to 732,628.80, 1,098,943.20 and 520,052.40 is: 780,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,628.80 : 1,098,943.20 = 520,052.40 : x
  2. Step 2: Convert to fraction form
    732,628.80/1,098,943.20 = 520,052.40/x
  3. Step 3: Cross multiply
    732,628.80x = 1,098,943.20 × 520,052.40
  4. Step 4: Simplify right side
    732,628.80x = 571,508,048,623.68
  5. Step 5: Solve for x
    x = 571,508,048,623.68/732,628.80
  6. Step 6: Final answer
    x = 780,078.60

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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.