Home / 1,154,770.49-1,593,444.20-638,454.66

Finding the Fourth Proportional to 1,154,770.49, 1,593,444.20 and 638,454.66

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Solution

The fourth proportional to 1,154,770.49, 1,593,444.20 and 638,454.66 is: 880,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,770.49 : 1,593,444.20 = 638,454.66 : x
  2. Step 2: Convert to fraction form
    1,154,770.49/1,593,444.20 = 638,454.66/x
  3. Step 3: Cross multiply
    1,154,770.49x = 1,593,444.20 × 638,454.66
  4. Step 4: Simplify right side
    1,154,770.49x = 1,017,341,869,363.59
  5. Step 5: Solve for x
    x = 1,017,341,869,363.59/1,154,770.49
  6. Step 6: Final answer
    x = 880,990.53

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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.