Home / 857,087.92-1,182,701.82-475,082.20

Finding the Fourth Proportional to 857,087.92, 1,182,701.82 and 475,082.20

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Solution

The fourth proportional to 857,087.92, 1,182,701.82 and 475,082.20 is: 655,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,087.92 : 1,182,701.82 = 475,082.20 : x
  2. Step 2: Convert to fraction form
    857,087.92/1,182,701.82 = 475,082.20/x
  3. Step 3: Cross multiply
    857,087.92x = 1,182,701.82 × 475,082.20
  4. Step 4: Simplify right side
    857,087.92x = 561,880,582,589.60
  5. Step 5: Solve for x
    x = 561,880,582,589.60/857,087.92
  6. Step 6: Final answer
    x = 655,569.36

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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.