Home / 860,156.45-1,187,046.34-473,001.22

Finding the Fourth Proportional to 860,156.45, 1,187,046.34 and 473,001.22

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Solution

The fourth proportional to 860,156.45, 1,187,046.34 and 473,001.22 is: 652,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,156.45 : 1,187,046.34 = 473,001.22 : x
  2. Step 2: Convert to fraction form
    860,156.45/1,187,046.34 = 473,001.22/x
  3. Step 3: Cross multiply
    860,156.45x = 1,187,046.34 × 473,001.22
  4. Step 4: Simplify right side
    860,156.45x = 561,474,367,016.54
  5. Step 5: Solve for x
    x = 561,474,367,016.54/860,156.45
  6. Step 6: Final answer
    x = 652,758.42

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1.5x scale

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.