Home / 856,725.45-1,182,319.50-474,727.62

Finding the Fourth Proportional to 856,725.45, 1,182,319.50 and 474,727.62

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Solution

The fourth proportional to 856,725.45, 1,182,319.50 and 474,727.62 is: 655,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,725.45 : 1,182,319.50 = 474,727.62 : x
  2. Step 2: Convert to fraction form
    856,725.45/1,182,319.50 = 474,727.62/x
  3. Step 3: Cross multiply
    856,725.45x = 1,182,319.50 × 474,727.62
  4. Step 4: Simplify right side
    856,725.45x = 561,279,722,314.59
  5. Step 5: Solve for x
    x = 561,279,722,314.59/856,725.45
  6. Step 6: Final answer
    x = 655,145.38

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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.