Home / 1,244,095.79-1,866,392.82-391,382.06

Finding the Fourth Proportional to 1,244,095.79, 1,866,392.82 and 391,382.06

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Solution

The fourth proportional to 1,244,095.79, 1,866,392.82 and 391,382.06 is: 587,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,095.79 : 1,866,392.82 = 391,382.06 : x
  2. Step 2: Convert to fraction form
    1,244,095.79/1,866,392.82 = 391,382.06/x
  3. Step 3: Cross multiply
    1,244,095.79x = 1,866,392.82 × 391,382.06
  4. Step 4: Simplify right side
    1,244,095.79x = 730,472,657,328.85
  5. Step 5: Solve for x
    x = 730,472,657,328.85/1,244,095.79
  6. Step 6: Final answer
    x = 587,151.46

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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.