Home / 824,171.10-1,235,260.13-424,593.90

Finding the Fourth Proportional to 824,171.10, 1,235,260.13 and 424,593.90

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Solution

The fourth proportional to 824,171.10, 1,235,260.13 and 424,593.90 is: 636,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,171.10 : 1,235,260.13 = 424,593.90 : x
  2. Step 2: Convert to fraction form
    824,171.10/1,235,260.13 = 424,593.90/x
  3. Step 3: Cross multiply
    824,171.10x = 1,235,260.13 × 424,593.90
  4. Step 4: Simplify right side
    824,171.10x = 524,483,913,988.24
  5. Step 5: Solve for x
    x = 524,483,913,988.24/824,171.10
  6. Step 6: Final answer
    x = 636,377.46

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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.