Home / 716,520.87-1,073,966.49-374,436.86

Finding the Fourth Proportional to 716,520.87, 1,073,966.49 and 374,436.86

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Solution

The fourth proportional to 716,520.87, 1,073,966.49 and 374,436.86 is: 561,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,520.87 : 1,073,966.49 = 374,436.86 : x
  2. Step 2: Convert to fraction form
    716,520.87/1,073,966.49 = 374,436.86/x
  3. Step 3: Cross multiply
    716,520.87x = 1,073,966.49 × 374,436.86
  4. Step 4: Simplify right side
    716,520.87x = 402,132,634,890.99
  5. Step 5: Solve for x
    x = 402,132,634,890.99/716,520.87
  6. Step 6: Final answer
    x = 561,229.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.