Home / 695,931.58-960,356.55-394,125.58

Finding the Fourth Proportional to 695,931.58, 960,356.55 and 394,125.58

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Solution

The fourth proportional to 695,931.58, 960,356.55 and 394,125.58 is: 543,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,931.58 : 960,356.55 = 394,125.58 : x
  2. Step 2: Convert to fraction form
    695,931.58/960,356.55 = 394,125.58/x
  3. Step 3: Cross multiply
    695,931.58x = 960,356.55 × 394,125.58
  4. Step 4: Simplify right side
    695,931.58x = 378,501,082,275.55
  5. Step 5: Solve for x
    x = 378,501,082,275.55/695,931.58
  6. Step 6: Final answer
    x = 543,876.86

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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.