Home / 1,044,128.10-1,566,192.15-512,687.10

Finding the Fourth Proportional to 1,044,128.10, 1,566,192.15 and 512,687.10

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Solution

The fourth proportional to 1,044,128.10, 1,566,192.15 and 512,687.10 is: 769,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,128.10 : 1,566,192.15 = 512,687.10 : x
  2. Step 2: Convert to fraction form
    1,044,128.10/1,566,192.15 = 512,687.10/x
  3. Step 3: Cross multiply
    1,044,128.10x = 1,566,192.15 × 512,687.10
  4. Step 4: Simplify right side
    1,044,128.10x = 802,966,511,426.27
  5. Step 5: Solve for x
    x = 802,966,511,426.27/1,044,128.10
  6. Step 6: Final answer
    x = 769,030.65

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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.