Home / 766,292.04-1,149,438.33-316,518.57

Finding the Fourth Proportional to 766,292.04, 1,149,438.33 and 316,518.57

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Solution

The fourth proportional to 766,292.04, 1,149,438.33 and 316,518.57 is: 474,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,292.04 : 1,149,438.33 = 316,518.57 : x
  2. Step 2: Convert to fraction form
    766,292.04/1,149,438.33 = 316,518.57/x
  3. Step 3: Cross multiply
    766,292.04x = 1,149,438.33 × 316,518.57
  4. Step 4: Simplify right side
    766,292.04x = 363,818,576,514.79
  5. Step 5: Solve for x
    x = 363,818,576,514.79/766,292.04
  6. Step 6: Final answer
    x = 474,777.97

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Double scale
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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.