Home / 1,565,996.52-2,161,225.98-877,665

Finding the Fourth Proportional to 1,565,996.52, 2,161,225.98 and 877,665

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Solution

The fourth proportional to 1,565,996.52, 2,161,225.98 and 877,665 is: 1,211,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,996.52 : 2,161,225.98 = 877,665 : x
  2. Step 2: Convert to fraction form
    1,565,996.52/2,161,225.98 = 877,665/x
  3. Step 3: Cross multiply
    1,565,996.52x = 2,161,225.98 × 877,665
  4. Step 4: Simplify right side
    1,565,996.52x = 1,896,832,399,736.70
  5. Step 5: Solve for x
    x = 1,896,832,399,736.70/1,565,996.52
  6. Step 6: Final answer
    x = 1,211,262.21

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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.