Home / 859,617.02-1,186,248.03-477,633.98

Finding the Fourth Proportional to 859,617.02, 1,186,248.03 and 477,633.98

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Solution

The fourth proportional to 859,617.02, 1,186,248.03 and 477,633.98 is: 659,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,617.02 : 1,186,248.03 = 477,633.98 : x
  2. Step 2: Convert to fraction form
    859,617.02/1,186,248.03 = 477,633.98/x
  3. Step 3: Cross multiply
    859,617.02x = 1,186,248.03 × 477,633.98
  4. Step 4: Simplify right side
    859,617.02x = 566,592,367,836.06
  5. Step 5: Solve for x
    x = 566,592,367,836.06/859,617.02
  6. Step 6: Final answer
    x = 659,121.86

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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.