Home / 1,205,348.97-1,663,271.63-715,234.02

Finding the Fourth Proportional to 1,205,348.97, 1,663,271.63 and 715,234.02

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Solution

The fourth proportional to 1,205,348.97, 1,663,271.63 and 715,234.02 is: 986,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,348.97 : 1,663,271.63 = 715,234.02 : x
  2. Step 2: Convert to fraction form
    1,205,348.97/1,663,271.63 = 715,234.02/x
  3. Step 3: Cross multiply
    1,205,348.97x = 1,663,271.63 × 715,234.02
  4. Step 4: Simplify right side
    1,205,348.97x = 1,189,628,454,276.85
  5. Step 5: Solve for x
    x = 1,189,628,454,276.85/1,205,348.97
  6. Step 6: Final answer
    x = 986,957.71

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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.