Home / 766,298.54-1,149,448.08-316,525.08

Finding the Fourth Proportional to 766,298.54, 1,149,448.08 and 316,525.08

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Solution

The fourth proportional to 766,298.54, 1,149,448.08 and 316,525.08 is: 474,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,298.54 : 1,149,448.08 = 316,525.08 : x
  2. Step 2: Convert to fraction form
    766,298.54/1,149,448.08 = 316,525.08/x
  3. Step 3: Cross multiply
    766,298.54x = 1,149,448.08 × 316,525.08
  4. Step 4: Simplify right side
    766,298.54x = 363,829,145,477.85
  5. Step 5: Solve for x
    x = 363,829,145,477.85/766,298.54
  6. Step 6: Final answer
    x = 474,787.73

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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.