Home / 358,220.40-537,330.60-344,442.30

Finding the Fourth Proportional to 358,220.40, 537,330.60 and 344,442.30

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Solution

The fourth proportional to 358,220.40, 537,330.60 and 344,442.30 is: 516,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,220.40 : 537,330.60 = 344,442.30 : x
  2. Step 2: Convert to fraction form
    358,220.40/537,330.60 = 344,442.30/x
  3. Step 3: Cross multiply
    358,220.40x = 537,330.60 × 344,442.30
  4. Step 4: Simplify right side
    358,220.40x = 185,079,387,724.38
  5. Step 5: Solve for x
    x = 185,079,387,724.38/358,220.40
  6. Step 6: Final answer
    x = 516,663.45

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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.