Home / 766,372.18-1,057,514.20-471,975.32

Finding the Fourth Proportional to 766,372.18, 1,057,514.20 and 471,975.32

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Solution

The fourth proportional to 766,372.18, 1,057,514.20 and 471,975.32 is: 651,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,372.18 : 1,057,514.20 = 471,975.32 : x
  2. Step 2: Convert to fraction form
    766,372.18/1,057,514.20 = 471,975.32/x
  3. Step 3: Cross multiply
    766,372.18x = 1,057,514.20 × 471,975.32
  4. Step 4: Simplify right side
    766,372.18x = 499,120,602,949.54
  5. Step 5: Solve for x
    x = 499,120,602,949.54/766,372.18
  6. Step 6: Final answer
    x = 651,277.04

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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.