Home / 1,005,920.46-1,391,825.66-877,127.49

Finding the Fourth Proportional to 1,005,920.46, 1,391,825.66 and 877,127.49

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Solution

The fourth proportional to 1,005,920.46, 1,391,825.66 and 877,127.49 is: 1,213,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,920.46 : 1,391,825.66 = 877,127.49 : x
  2. Step 2: Convert to fraction form
    1,005,920.46/1,391,825.66 = 877,127.49/x
  3. Step 3: Cross multiply
    1,005,920.46x = 1,391,825.66 × 877,127.49
  4. Step 4: Simplify right side
    1,005,920.46x = 1,220,808,543,287.76
  5. Step 5: Solve for x
    x = 1,220,808,543,287.76/1,005,920.46
  6. Step 6: Final answer
    x = 1,213,623.33

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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.