Home / 1,145,655.77-1,581,055.00-636,358.14

Finding the Fourth Proportional to 1,145,655.77, 1,581,055.00 and 636,358.14

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Solution

The fourth proportional to 1,145,655.77, 1,581,055.00 and 636,358.14 is: 878,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,655.77 : 1,581,055.00 = 636,358.14 : x
  2. Step 2: Convert to fraction form
    1,145,655.77/1,581,055.00 = 636,358.14/x
  3. Step 3: Cross multiply
    1,145,655.77x = 1,581,055.00 × 636,358.14
  4. Step 4: Simplify right side
    1,145,655.77x = 1,006,117,217,446.80
  5. Step 5: Solve for x
    x = 1,006,117,217,446.80/1,145,655.77
  6. Step 6: Final answer
    x = 878,202.03

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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.