Home / 654,849.32-903,685.56-364,456.04

Finding the Fourth Proportional to 654,849.32, 903,685.56 and 364,456.04

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Solution

The fourth proportional to 654,849.32, 903,685.56 and 364,456.04 is: 502,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,849.32 : 903,685.56 = 364,456.04 : x
  2. Step 2: Convert to fraction form
    654,849.32/903,685.56 = 364,456.04/x
  3. Step 3: Cross multiply
    654,849.32x = 903,685.56 × 364,456.04
  4. Step 4: Simplify right side
    654,849.32x = 329,353,660,602.78
  5. Step 5: Solve for x
    x = 329,353,660,602.78/654,849.32
  6. Step 6: Final answer
    x = 502,945.72

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.