Home / 1,024,812.47-1,536,387.95-426,221.46

Finding the Fourth Proportional to 1,024,812.47, 1,536,387.95 and 426,221.46

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Solution

The fourth proportional to 1,024,812.47, 1,536,387.95 and 426,221.46 is: 638,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,812.47 : 1,536,387.95 = 426,221.46 : x
  2. Step 2: Convert to fraction form
    1,024,812.47/1,536,387.95 = 426,221.46/x
  3. Step 3: Cross multiply
    1,024,812.47x = 1,536,387.95 × 426,221.46
  4. Step 4: Simplify right side
    1,024,812.47x = 654,841,516,240.96
  5. Step 5: Solve for x
    x = 654,841,516,240.96/1,024,812.47
  6. Step 6: Final answer
    x = 638,986.68

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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.