Home / 856,703.07-1,182,257.28-474,736.23

Finding the Fourth Proportional to 856,703.07, 1,182,257.28 and 474,736.23

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Solution

The fourth proportional to 856,703.07, 1,182,257.28 and 474,736.23 is: 655,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,703.07 : 1,182,257.28 = 474,736.23 : x
  2. Step 2: Convert to fraction form
    856,703.07/1,182,257.28 = 474,736.23/x
  3. Step 3: Cross multiply
    856,703.07x = 1,182,257.28 × 474,736.23
  4. Step 4: Simplify right side
    856,703.07x = 561,260,363,997.25
  5. Step 5: Solve for x
    x = 561,260,363,997.25/856,703.07
  6. Step 6: Final answer
    x = 655,139.90

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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.