Home / 1,200,734.64-1,657,026.87-656,858.73

Finding the Fourth Proportional to 1,200,734.64, 1,657,026.87 and 656,858.73

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Solution

The fourth proportional to 1,200,734.64, 1,657,026.87 and 656,858.73 is: 906,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,734.64 : 1,657,026.87 = 656,858.73 : x
  2. Step 2: Convert to fraction form
    1,200,734.64/1,657,026.87 = 656,858.73/x
  3. Step 3: Cross multiply
    1,200,734.64x = 1,657,026.87 × 656,858.73
  4. Step 4: Simplify right side
    1,200,734.64x = 1,088,432,565,404.08
  5. Step 5: Solve for x
    x = 1,088,432,565,404.08/1,200,734.64
  6. Step 6: Final answer
    x = 906,472.20

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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.