Home / 1,057,642.27-1,586,126.44-347,505.55

Finding the Fourth Proportional to 1,057,642.27, 1,586,126.44 and 347,505.55

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Solution

The fourth proportional to 1,057,642.27, 1,586,126.44 and 347,505.55 is: 521,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,642.27 : 1,586,126.44 = 347,505.55 : x
  2. Step 2: Convert to fraction form
    1,057,642.27/1,586,126.44 = 347,505.55/x
  3. Step 3: Cross multiply
    1,057,642.27x = 1,586,126.44 × 347,505.55
  4. Step 4: Simplify right side
    1,057,642.27x = 551,187,740,901.74
  5. Step 5: Solve for x
    x = 551,187,740,901.74/1,057,642.27
  6. Step 6: Final answer
    x = 521,147.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.