Home / 1,071,638.58-1,478,856.04-588,211.95

Finding the Fourth Proportional to 1,071,638.58, 1,478,856.04 and 588,211.95

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Solution

The fourth proportional to 1,071,638.58, 1,478,856.04 and 588,211.95 is: 811,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,638.58 : 1,478,856.04 = 588,211.95 : x
  2. Step 2: Convert to fraction form
    1,071,638.58/1,478,856.04 = 588,211.95/x
  3. Step 3: Cross multiply
    1,071,638.58x = 1,478,856.04 × 588,211.95
  4. Step 4: Simplify right side
    1,071,638.58x = 869,880,795,057.68
  5. Step 5: Solve for x
    x = 869,880,795,057.68/1,071,638.58
  6. Step 6: Final answer
    x = 811,729.64

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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.