Home / 927,817.18-1,280,365.98-545,868.52

Finding the Fourth Proportional to 927,817.18, 1,280,365.98 and 545,868.52

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Solution

The fourth proportional to 927,817.18, 1,280,365.98 and 545,868.52 is: 753,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,817.18 : 1,280,365.98 = 545,868.52 : x
  2. Step 2: Convert to fraction form
    927,817.18/1,280,365.98 = 545,868.52/x
  3. Step 3: Cross multiply
    927,817.18x = 1,280,365.98 × 545,868.52
  4. Step 4: Simplify right side
    927,817.18x = 698,911,482,560.95
  5. Step 5: Solve for x
    x = 698,911,482,560.95/927,817.18
  6. Step 6: Final answer
    x = 753,285.77

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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.