Home / 839,561.76-1,157,680.49-567,156.92

Finding the Fourth Proportional to 839,561.76, 1,157,680.49 and 567,156.92

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Solution

The fourth proportional to 839,561.76, 1,157,680.49 and 567,156.92 is: 782,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,561.76 : 1,157,680.49 = 567,156.92 : x
  2. Step 2: Convert to fraction form
    839,561.76/1,157,680.49 = 567,156.92/x
  3. Step 3: Cross multiply
    839,561.76x = 1,157,680.49 × 567,156.92
  4. Step 4: Simplify right side
    839,561.76x = 656,586,492,428.30
  5. Step 5: Solve for x
    x = 656,586,492,428.30/839,561.76
  6. Step 6: Final answer
    x = 782,058.60

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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.