Home / 1,207,854.32-1,666,871.06-656,607.15

Finding the Fourth Proportional to 1,207,854.32, 1,666,871.06 and 656,607.15

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Solution

The fourth proportional to 1,207,854.32, 1,666,871.06 and 656,607.15 is: 906,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,854.32 : 1,666,871.06 = 656,607.15 : x
  2. Step 2: Convert to fraction form
    1,207,854.32/1,666,871.06 = 656,607.15/x
  3. Step 3: Cross multiply
    1,207,854.32x = 1,666,871.06 × 656,607.15
  4. Step 4: Simplify right side
    1,207,854.32x = 1,094,479,452,841.04
  5. Step 5: Solve for x
    x = 1,094,479,452,841.04/1,207,854.32
  6. Step 6: Final answer
    x = 906,135.32

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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.