Home / 860,110.98-1,186,983.62-472,955.88

Finding the Fourth Proportional to 860,110.98, 1,186,983.62 and 472,955.88

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Solution

The fourth proportional to 860,110.98, 1,186,983.62 and 472,955.88 is: 652,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,110.98 : 1,186,983.62 = 472,955.88 : x
  2. Step 2: Convert to fraction form
    860,110.98/1,186,983.62 = 472,955.88/x
  3. Step 3: Cross multiply
    860,110.98x = 1,186,983.62 × 472,955.88
  4. Step 4: Simplify right side
    860,110.98x = 561,390,882,542.69
  5. Step 5: Solve for x
    x = 561,390,882,542.69/860,110.98
  6. Step 6: Final answer
    x = 652,695.87

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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.