Home / 905,014.43-1,248,959.16-517,951.34

Finding the Fourth Proportional to 905,014.43, 1,248,959.16 and 517,951.34

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Solution

The fourth proportional to 905,014.43, 1,248,959.16 and 517,951.34 is: 714,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,014.43 : 1,248,959.16 = 517,951.34 : x
  2. Step 2: Convert to fraction form
    905,014.43/1,248,959.16 = 517,951.34/x
  3. Step 3: Cross multiply
    905,014.43x = 1,248,959.16 × 517,951.34
  4. Step 4: Simplify right side
    905,014.43x = 646,900,073,649.67
  5. Step 5: Solve for x
    x = 646,900,073,649.67/905,014.43
  6. Step 6: Final answer
    x = 714,795.32

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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.