Home / 758,626.59-1,046,815.43-419,074.59

Finding the Fourth Proportional to 758,626.59, 1,046,815.43 and 419,074.59

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Solution

The fourth proportional to 758,626.59, 1,046,815.43 and 419,074.59 is: 578,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,626.59 : 1,046,815.43 = 419,074.59 : x
  2. Step 2: Convert to fraction form
    758,626.59/1,046,815.43 = 419,074.59/x
  3. Step 3: Cross multiply
    758,626.59x = 1,046,815.43 × 419,074.59
  4. Step 4: Simplify right side
    758,626.59x = 438,693,747,132.92
  5. Step 5: Solve for x
    x = 438,693,747,132.92/758,626.59
  6. Step 6: Final answer
    x = 578,273.62

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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.