Home / 856,655.97-1,182,184.86-512,506.46

Finding the Fourth Proportional to 856,655.97, 1,182,184.86 and 512,506.46

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Solution

The fourth proportional to 856,655.97, 1,182,184.86 and 512,506.46 is: 707,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,655.97 : 1,182,184.86 = 512,506.46 : x
  2. Step 2: Convert to fraction form
    856,655.97/1,182,184.86 = 512,506.46/x
  3. Step 3: Cross multiply
    856,655.97x = 1,182,184.86 × 512,506.46
  4. Step 4: Simplify right side
    856,655.97x = 605,877,371,753.27
  5. Step 5: Solve for x
    x = 605,877,371,753.27/856,655.97
  6. Step 6: Final answer
    x = 707,258.68

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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.