Home / 424,835.28-586,204.09-243,513.84

Finding the Fourth Proportional to 424,835.28, 586,204.09 and 243,513.84

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Solution

The fourth proportional to 424,835.28, 586,204.09 and 243,513.84 is: 336,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,835.28 : 586,204.09 = 243,513.84 : x
  2. Step 2: Convert to fraction form
    424,835.28/586,204.09 = 243,513.84/x
  3. Step 3: Cross multiply
    424,835.28x = 586,204.09 × 243,513.84
  4. Step 4: Simplify right side
    424,835.28x = 142,748,810,569.09
  5. Step 5: Solve for x
    x = 142,748,810,569.09/424,835.28
  6. Step 6: Final answer
    x = 336,009.78

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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.