Home / 929,888.78-1,283,289.14-516,427.44

Finding the Fourth Proportional to 929,888.78, 1,283,289.14 and 516,427.44

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Solution

The fourth proportional to 929,888.78, 1,283,289.14 and 516,427.44 is: 712,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,888.78 : 1,283,289.14 = 516,427.44 : x
  2. Step 2: Convert to fraction form
    929,888.78/1,283,289.14 = 516,427.44/x
  3. Step 3: Cross multiply
    929,888.78x = 1,283,289.14 × 516,427.44
  4. Step 4: Simplify right side
    929,888.78x = 662,725,722,767.86
  5. Step 5: Solve for x
    x = 662,725,722,767.86/929,888.78
  6. Step 6: Final answer
    x = 712,693.54

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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.