Home / 1,217,770.72-1,826,618.28-578,534.50

Finding the Fourth Proportional to 1,217,770.72, 1,826,618.28 and 578,534.50

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Solution

The fourth proportional to 1,217,770.72, 1,826,618.28 and 578,534.50 is: 867,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,770.72 : 1,826,618.28 = 578,534.50 : x
  2. Step 2: Convert to fraction form
    1,217,770.72/1,826,618.28 = 578,534.50/x
  3. Step 3: Cross multiply
    1,217,770.72x = 1,826,618.28 × 578,534.50
  4. Step 4: Simplify right side
    1,217,770.72x = 1,056,761,693,310.66
  5. Step 5: Solve for x
    x = 1,056,761,693,310.66/1,217,770.72
  6. Step 6: Final answer
    x = 867,783.79

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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.