Home / 860,591.76-1,187,703.72-493,117.56

Finding the Fourth Proportional to 860,591.76, 1,187,703.72 and 493,117.56

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Solution

The fourth proportional to 860,591.76, 1,187,703.72 and 493,117.56 is: 680,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,591.76 : 1,187,703.72 = 493,117.56 : x
  2. Step 2: Convert to fraction form
    860,591.76/1,187,703.72 = 493,117.56/x
  3. Step 3: Cross multiply
    860,591.76x = 1,187,703.72 × 493,117.56
  4. Step 4: Simplify right side
    860,591.76x = 585,677,560,409.32
  5. Step 5: Solve for x
    x = 585,677,560,409.32/860,591.76
  6. Step 6: Final answer
    x = 680,552.14

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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.