Home / 514,000.08-709,321.05-284,573.25

Finding the Fourth Proportional to 514,000.08, 709,321.05 and 284,573.25

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Solution

The fourth proportional to 514,000.08, 709,321.05 and 284,573.25 is: 392,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,000.08 : 709,321.05 = 284,573.25 : x
  2. Step 2: Convert to fraction form
    514,000.08/709,321.05 = 284,573.25/x
  3. Step 3: Cross multiply
    514,000.08x = 709,321.05 × 284,573.25
  4. Step 4: Simplify right side
    514,000.08x = 201,853,796,491.91
  5. Step 5: Solve for x
    x = 201,853,796,491.91/514,000.08
  6. Step 6: Final answer
    x = 392,711.61

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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.