Home / 758,577.96-1,046,748.42-419,025.96

Finding the Fourth Proportional to 758,577.96, 1,046,748.42 and 419,025.96

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Solution

The fourth proportional to 758,577.96, 1,046,748.42 and 419,025.96 is: 578,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,577.96 : 1,046,748.42 = 419,025.96 : x
  2. Step 2: Convert to fraction form
    758,577.96/1,046,748.42 = 419,025.96/x
  3. Step 3: Cross multiply
    758,577.96x = 1,046,748.42 × 419,025.96
  4. Step 4: Simplify right side
    758,577.96x = 438,614,761,568.98
  5. Step 5: Solve for x
    x = 438,614,761,568.98/758,577.96
  6. Step 6: Final answer
    x = 578,206.57

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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.