Home / 753,214-1,039,182.45-426,482.41

Finding the Fourth Proportional to 753,214, 1,039,182.45 and 426,482.41

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Solution

The fourth proportional to 753,214, 1,039,182.45 and 426,482.41 is: 588,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,214 : 1,039,182.45 = 426,482.41 : x
  2. Step 2: Convert to fraction form
    753,214/1,039,182.45 = 426,482.41/x
  3. Step 3: Cross multiply
    753,214x = 1,039,182.45 × 426,482.41
  4. Step 4: Simplify right side
    753,214x = 443,193,035,705.70
  5. Step 5: Solve for x
    x = 443,193,035,705.70/753,214
  6. Step 6: Final answer
    x = 588,402.55

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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.