Home / 860,534.45-1,187,516.80-468,057.32

Finding the Fourth Proportional to 860,534.45, 1,187,516.80 and 468,057.32

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Solution

The fourth proportional to 860,534.45, 1,187,516.80 and 468,057.32 is: 645,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,534.45 : 1,187,516.80 = 468,057.32 : x
  2. Step 2: Convert to fraction form
    860,534.45/1,187,516.80 = 468,057.32/x
  3. Step 3: Cross multiply
    860,534.45x = 1,187,516.80 × 468,057.32
  4. Step 4: Simplify right side
    860,534.45x = 555,825,930,862.98
  5. Step 5: Solve for x
    x = 555,825,930,862.98/860,534.45
  6. Step 6: Final answer
    x = 645,907.82

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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.