Home / 732,980.30-1,011,500.12-410,689.40

Finding the Fourth Proportional to 732,980.30, 1,011,500.12 and 410,689.40

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Solution

The fourth proportional to 732,980.30, 1,011,500.12 and 410,689.40 is: 566,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,980.30 : 1,011,500.12 = 410,689.40 : x
  2. Step 2: Convert to fraction form
    732,980.30/1,011,500.12 = 410,689.40/x
  3. Step 3: Cross multiply
    732,980.30x = 1,011,500.12 × 410,689.40
  4. Step 4: Simplify right side
    732,980.30x = 415,412,373,351.95
  5. Step 5: Solve for x
    x = 415,412,373,351.95/732,980.30
  6. Step 6: Final answer
    x = 566,744.26

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1.5x scale

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.