Home / 1,193,139.40-1,646,532.64-656,595.40

Finding the Fourth Proportional to 1,193,139.40, 1,646,532.64 and 656,595.40

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Solution

The fourth proportional to 1,193,139.40, 1,646,532.64 and 656,595.40 is: 906,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,139.40 : 1,646,532.64 = 656,595.40 : x
  2. Step 2: Convert to fraction form
    1,193,139.40/1,646,532.64 = 656,595.40/x
  3. Step 3: Cross multiply
    1,193,139.40x = 1,646,532.64 × 656,595.40
  4. Step 4: Simplify right side
    1,193,139.40x = 1,081,105,757,373.86
  5. Step 5: Solve for x
    x = 1,081,105,757,373.86/1,193,139.40
  6. Step 6: Final answer
    x = 906,101.80

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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.