Home / 424,860.32-586,319.52-231,280.58

Finding the Fourth Proportional to 424,860.32, 586,319.52 and 231,280.58

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Solution

The fourth proportional to 424,860.32, 586,319.52 and 231,280.58 is: 319,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,860.32 : 586,319.52 = 231,280.58 : x
  2. Step 2: Convert to fraction form
    424,860.32/586,319.52 = 231,280.58/x
  3. Step 3: Cross multiply
    424,860.32x = 586,319.52 × 231,280.58
  4. Step 4: Simplify right side
    424,860.32x = 135,604,315,719.32
  5. Step 5: Solve for x
    x = 135,604,315,719.32/424,860.32
  6. Step 6: Final answer
    x = 319,173.88

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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.