Home / 732,655.80-1,098,983.70-520,079.40

Finding the Fourth Proportional to 732,655.80, 1,098,983.70 and 520,079.40

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Solution

The fourth proportional to 732,655.80, 1,098,983.70 and 520,079.40 is: 780,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,655.80 : 1,098,983.70 = 520,079.40 : x
  2. Step 2: Convert to fraction form
    732,655.80/1,098,983.70 = 520,079.40/x
  3. Step 3: Cross multiply
    732,655.80x = 1,098,983.70 × 520,079.40
  4. Step 4: Simplify right side
    732,655.80x = 571,558,783,305.78
  5. Step 5: Solve for x
    x = 571,558,783,305.78/732,655.80
  6. Step 6: Final answer
    x = 780,119.10

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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.