Home / 1,931,084.40-2,897,663.40-809,266.80

Finding the Fourth Proportional to 1,931,084.40, 2,897,663.40 and 809,266.80

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Solution

The fourth proportional to 1,931,084.40, 2,897,663.40 and 809,266.80 is: 1,214,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,084.40 : 2,897,663.40 = 809,266.80 : x
  2. Step 2: Convert to fraction form
    1,931,084.40/2,897,663.40 = 809,266.80/x
  3. Step 3: Cross multiply
    1,931,084.40x = 2,897,663.40 × 809,266.80
  4. Step 4: Simplify right side
    1,931,084.40x = 2,344,982,787,195.12
  5. Step 5: Solve for x
    x = 2,344,982,787,195.12/1,931,084.40
  6. Step 6: Final answer
    x = 1,214,334.70

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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.