Home / 1,172,281.52-1,617,835.47-656,087.15

Finding the Fourth Proportional to 1,172,281.52, 1,617,835.47 and 656,087.15

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Solution

The fourth proportional to 1,172,281.52, 1,617,835.47 and 656,087.15 is: 905,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,281.52 : 1,617,835.47 = 656,087.15 : x
  2. Step 2: Convert to fraction form
    1,172,281.52/1,617,835.47 = 656,087.15/x
  3. Step 3: Cross multiply
    1,172,281.52x = 1,617,835.47 × 656,087.15
  4. Step 4: Simplify right side
    1,172,281.52x = 1,061,441,064,265.47
  5. Step 5: Solve for x
    x = 1,061,441,064,265.47/1,172,281.52
  6. Step 6: Final answer
    x = 905,448.94

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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.