Home / 424,943.28-586,411.20-243,762.48

Finding the Fourth Proportional to 424,943.28, 586,411.20 and 243,762.48

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Solution

The fourth proportional to 424,943.28, 586,411.20 and 243,762.48 is: 336,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,943.28 : 586,411.20 = 243,762.48 : x
  2. Step 2: Convert to fraction form
    424,943.28/586,411.20 = 243,762.48/x
  3. Step 3: Cross multiply
    424,943.28x = 586,411.20 × 243,762.48
  4. Step 4: Simplify right side
    424,943.28x = 142,945,048,411.78
  5. Step 5: Solve for x
    x = 142,945,048,411.78/424,943.28
  6. Step 6: Final answer
    x = 336,386.18

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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.