Home / 738,234.20-1,104,726.90-512,535.80

Finding the Fourth Proportional to 738,234.20, 1,104,726.90 and 512,535.80

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Solution

The fourth proportional to 738,234.20, 1,104,726.90 and 512,535.80 is: 766,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,234.20 : 1,104,726.90 = 512,535.80 : x
  2. Step 2: Convert to fraction form
    738,234.20/1,104,726.90 = 512,535.80/x
  3. Step 3: Cross multiply
    738,234.20x = 1,104,726.90 × 512,535.80
  4. Step 4: Simplify right side
    738,234.20x = 566,212,085,473.02
  5. Step 5: Solve for x
    x = 566,212,085,473.02/738,234.20
  6. Step 6: Final answer
    x = 766,981.65

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Double scale
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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.