Home / 927,882.60-1,281,094.74-712,638

Finding the Fourth Proportional to 927,882.60, 1,281,094.74 and 712,638

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Solution

The fourth proportional to 927,882.60, 1,281,094.74 and 712,638 is: 983,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,882.60 : 1,281,094.74 = 712,638 : x
  2. Step 2: Convert to fraction form
    927,882.60/1,281,094.74 = 712,638/x
  3. Step 3: Cross multiply
    927,882.60x = 1,281,094.74 × 712,638
  4. Step 4: Simplify right side
    927,882.60x = 912,956,793,324.12
  5. Step 5: Solve for x
    x = 912,956,793,324.12/927,882.60
  6. Step 6: Final answer
    x = 983,914.12

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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.