Home / 899,000.28-1,240,658.15-517,027.41

Finding the Fourth Proportional to 899,000.28, 1,240,658.15 and 517,027.41

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Solution

The fourth proportional to 899,000.28, 1,240,658.15 and 517,027.41 is: 713,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,000.28 : 1,240,658.15 = 517,027.41 : x
  2. Step 2: Convert to fraction form
    899,000.28/1,240,658.15 = 517,027.41/x
  3. Step 3: Cross multiply
    899,000.28x = 1,240,658.15 × 517,027.41
  4. Step 4: Simplify right side
    899,000.28x = 641,454,267,404.75
  5. Step 5: Solve for x
    x = 641,454,267,404.75/899,000.28
  6. Step 6: Final answer
    x = 713,519.54

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Double scale
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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.