Home / 1,200,729.94-1,657,020.39-656,854.05

Finding the Fourth Proportional to 1,200,729.94, 1,657,020.39 and 656,854.05

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Solution

The fourth proportional to 1,200,729.94, 1,657,020.39 and 656,854.05 is: 906,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,729.94 : 1,657,020.39 = 656,854.05 : x
  2. Step 2: Convert to fraction form
    1,200,729.94/1,657,020.39 = 656,854.05/x
  3. Step 3: Cross multiply
    1,200,729.94x = 1,657,020.39 × 656,854.05
  4. Step 4: Simplify right side
    1,200,729.94x = 1,088,420,558,138.04
  5. Step 5: Solve for x
    x = 1,088,420,558,138.04/1,200,729.94
  6. Step 6: Final answer
    x = 906,465.74

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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.