Home / 658,043.71-987,065.56-237,319.58

Finding the Fourth Proportional to 658,043.71, 987,065.56 and 237,319.58

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Solution

The fourth proportional to 658,043.71, 987,065.56 and 237,319.58 is: 355,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,043.71 : 987,065.56 = 237,319.58 : x
  2. Step 2: Convert to fraction form
    658,043.71/987,065.56 = 237,319.58/x
  3. Step 3: Cross multiply
    658,043.71x = 987,065.56 × 237,319.58
  4. Step 4: Simplify right side
    658,043.71x = 234,249,984,131.67
  5. Step 5: Solve for x
    x = 234,249,984,131.67/658,043.71
  6. Step 6: Final answer
    x = 355,979.37

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.