Home / 1,069,474.06-1,604,995.17-861,621.58

Finding the Fourth Proportional to 1,069,474.06, 1,604,995.17 and 861,621.58

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Solution

The fourth proportional to 1,069,474.06, 1,604,995.17 and 861,621.58 is: 1,293,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,474.06 : 1,604,995.17 = 861,621.58 : x
  2. Step 2: Convert to fraction form
    1,069,474.06/1,604,995.17 = 861,621.58/x
  3. Step 3: Cross multiply
    1,069,474.06x = 1,604,995.17 × 861,621.58
  4. Step 4: Simplify right side
    1,069,474.06x = 1,382,898,474,267.77
  5. Step 5: Solve for x
    x = 1,382,898,474,267.77/1,069,474.06
  6. Step 6: Final answer
    x = 1,293,064.06

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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.