Home / 424,836.78-586,206.15-243,515.35

Finding the Fourth Proportional to 424,836.78, 586,206.15 and 243,515.35

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Solution

The fourth proportional to 424,836.78, 586,206.15 and 243,515.35 is: 336,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,836.78 : 586,206.15 = 243,515.35 : x
  2. Step 2: Convert to fraction form
    424,836.78/586,206.15 = 243,515.35/x
  3. Step 3: Cross multiply
    424,836.78x = 586,206.15 × 243,515.35
  4. Step 4: Simplify right side
    424,836.78x = 142,750,195,789.40
  5. Step 5: Solve for x
    x = 142,750,195,789.40/424,836.78
  6. Step 6: Final answer
    x = 336,011.86

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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.