Home / 948,445.92-1,308,889.42-540,609.30

Finding the Fourth Proportional to 948,445.92, 1,308,889.42 and 540,609.30

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Solution

The fourth proportional to 948,445.92, 1,308,889.42 and 540,609.30 is: 746,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,445.92 : 1,308,889.42 = 540,609.30 : x
  2. Step 2: Convert to fraction form
    948,445.92/1,308,889.42 = 540,609.30/x
  3. Step 3: Cross multiply
    948,445.92x = 1,308,889.42 × 540,609.30
  4. Step 4: Simplify right side
    948,445.92x = 707,597,793,123.61
  5. Step 5: Solve for x
    x = 707,597,793,123.61/948,445.92
  6. Step 6: Final answer
    x = 746,060.24

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Double scale
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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.