Home / 738,981.20-1,018,400.56-534,686.24

Finding the Fourth Proportional to 738,981.20, 1,018,400.56 and 534,686.24

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Solution

The fourth proportional to 738,981.20, 1,018,400.56 and 534,686.24 is: 736,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,981.20 : 1,018,400.56 = 534,686.24 : x
  2. Step 2: Convert to fraction form
    738,981.20/1,018,400.56 = 534,686.24/x
  3. Step 3: Cross multiply
    738,981.20x = 1,018,400.56 × 534,686.24
  4. Step 4: Simplify right side
    738,981.20x = 544,524,766,240.29
  5. Step 5: Solve for x
    x = 544,524,766,240.29/738,981.20
  6. Step 6: Final answer
    x = 736,858.75

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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.