Home / 424,613.35-586,000.20-243,342.15

Finding the Fourth Proportional to 424,613.35, 586,000.20 and 243,342.15

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Solution

The fourth proportional to 424,613.35, 586,000.20 and 243,342.15 is: 335,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,613.35 : 586,000.20 = 243,342.15 : x
  2. Step 2: Convert to fraction form
    424,613.35/586,000.20 = 243,342.15/x
  3. Step 3: Cross multiply
    424,613.35x = 586,000.20 × 243,342.15
  4. Step 4: Simplify right side
    424,613.35x = 142,598,546,878.39
  5. Step 5: Solve for x
    x = 142,598,546,878.39/424,613.35
  6. Step 6: Final answer
    x = 335,831.52

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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.