Home / 1,158,964.80-1,737,064.80-485,044.80

Finding the Fourth Proportional to 1,158,964.80, 1,737,064.80 and 485,044.80

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Solution

The fourth proportional to 1,158,964.80, 1,737,064.80 and 485,044.80 is: 726,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,964.80 : 1,737,064.80 = 485,044.80 : x
  2. Step 2: Convert to fraction form
    1,158,964.80/1,737,064.80 = 485,044.80/x
  3. Step 3: Cross multiply
    1,158,964.80x = 1,737,064.80 × 485,044.80
  4. Step 4: Simplify right side
    1,158,964.80x = 842,554,248,503.04
  5. Step 5: Solve for x
    x = 842,554,248,503.04/1,158,964.80
  6. Step 6: Final answer
    x = 726,988.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.