Home / 758,340.17-1,046,982.75-482,853.50

Finding the Fourth Proportional to 758,340.17, 1,046,982.75 and 482,853.50

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Solution

The fourth proportional to 758,340.17, 1,046,982.75 and 482,853.50 is: 666,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,340.17 : 1,046,982.75 = 482,853.50 : x
  2. Step 2: Convert to fraction form
    758,340.17/1,046,982.75 = 482,853.50/x
  3. Step 3: Cross multiply
    758,340.17x = 1,046,982.75 × 482,853.50
  4. Step 4: Simplify right side
    758,340.17x = 505,539,285,277.13
  5. Step 5: Solve for x
    x = 505,539,285,277.13/758,340.17
  6. Step 6: Final answer
    x = 666,639.20

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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.