Home / 758,374.68-1,046,550.06-418,847.16

Finding the Fourth Proportional to 758,374.68, 1,046,550.06 and 418,847.16

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Solution

The fourth proportional to 758,374.68, 1,046,550.06 and 418,847.16 is: 578,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,374.68 : 1,046,550.06 = 418,847.16 : x
  2. Step 2: Convert to fraction form
    758,374.68/1,046,550.06 = 418,847.16/x
  3. Step 3: Cross multiply
    758,374.68x = 1,046,550.06 × 418,847.16
  4. Step 4: Simplify right side
    758,374.68x = 438,344,520,428.83
  5. Step 5: Solve for x
    x = 438,344,520,428.83/758,374.68
  6. Step 6: Final answer
    x = 578,005.22

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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.