Home / 917,984.62-1,367,750.44-866,417.24

Finding the Fourth Proportional to 917,984.62, 1,367,750.44 and 866,417.24

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Solution

The fourth proportional to 917,984.62, 1,367,750.44 and 866,417.24 is: 1,290,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,984.62 : 1,367,750.44 = 866,417.24 : x
  2. Step 2: Convert to fraction form
    917,984.62/1,367,750.44 = 866,417.24/x
  3. Step 3: Cross multiply
    917,984.62x = 1,367,750.44 × 866,417.24
  4. Step 4: Simplify right side
    917,984.62x = 1,185,042,553,482.12
  5. Step 5: Solve for x
    x = 1,185,042,553,482.12/917,984.62
  6. Step 6: Final answer
    x = 1,290,917.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.