Home / 875,546.95-1,312,299.83-402,280.15

Finding the Fourth Proportional to 875,546.95, 1,312,299.83 and 402,280.15

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Solution

The fourth proportional to 875,546.95, 1,312,299.83 and 402,280.15 is: 602,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,546.95 : 1,312,299.83 = 402,280.15 : x
  2. Step 2: Convert to fraction form
    875,546.95/1,312,299.83 = 402,280.15/x
  3. Step 3: Cross multiply
    875,546.95x = 1,312,299.83 × 402,280.15
  4. Step 4: Simplify right side
    875,546.95x = 527,912,170,445.97
  5. Step 5: Solve for x
    x = 527,912,170,445.97/875,546.95
  6. Step 6: Final answer
    x = 602,951.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.