Home / 546,280.45-753,870.18-304,578.07

Finding the Fourth Proportional to 546,280.45, 753,870.18 and 304,578.07

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Solution

The fourth proportional to 546,280.45, 753,870.18 and 304,578.07 is: 420,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,280.45 : 753,870.18 = 304,578.07 : x
  2. Step 2: Convert to fraction form
    546,280.45/753,870.18 = 304,578.07/x
  3. Step 3: Cross multiply
    546,280.45x = 753,870.18 × 304,578.07
  4. Step 4: Simplify right side
    546,280.45x = 229,612,324,454.95
  5. Step 5: Solve for x
    x = 229,612,324,454.95/546,280.45
  6. Step 6: Final answer
    x = 420,319.50

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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.