Home / 1,173,068.76-1,618,835.10-663,760.92

Finding the Fourth Proportional to 1,173,068.76, 1,618,835.10 and 663,760.92

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Solution

The fourth proportional to 1,173,068.76, 1,618,835.10 and 663,760.92 is: 915,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,068.76 : 1,618,835.10 = 663,760.92 : x
  2. Step 2: Convert to fraction form
    1,173,068.76/1,618,835.10 = 663,760.92/x
  3. Step 3: Cross multiply
    1,173,068.76x = 1,618,835.10 × 663,760.92
  4. Step 4: Simplify right side
    1,173,068.76x = 1,074,519,475,304.29
  5. Step 5: Solve for x
    x = 1,074,519,475,304.29/1,173,068.76
  6. Step 6: Final answer
    x = 915,990.19

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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.