Home / 579,036.96-868,555.74-158,281.20

Finding the Fourth Proportional to 579,036.96, 868,555.74 and 158,281.20

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Solution

The fourth proportional to 579,036.96, 868,555.74 and 158,281.20 is: 237,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,036.96 : 868,555.74 = 158,281.20 : x
  2. Step 2: Convert to fraction form
    579,036.96/868,555.74 = 158,281.20/x
  3. Step 3: Cross multiply
    579,036.96x = 868,555.74 × 158,281.20
  4. Step 4: Simplify right side
    579,036.96x = 137,476,044,794.09
  5. Step 5: Solve for x
    x = 137,476,044,794.09/579,036.96
  6. Step 6: Final answer
    x = 237,421.88

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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.