Home / 524,923.30-724,373.31-310,132.90

Finding the Fourth Proportional to 524,923.30, 724,373.31 and 310,132.90

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Solution

The fourth proportional to 524,923.30, 724,373.31 and 310,132.90 is: 427,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,923.30 : 724,373.31 = 310,132.90 : x
  2. Step 2: Convert to fraction form
    524,923.30/724,373.31 = 310,132.90/x
  3. Step 3: Cross multiply
    524,923.30x = 724,373.31 × 310,132.90
  4. Step 4: Simplify right side
    524,923.30x = 224,651,995,312.90
  5. Step 5: Solve for x
    x = 224,651,995,312.90/524,923.30
  6. Step 6: Final answer
    x = 427,971.09

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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.