Home / 1,284,003.60-1,930,152.60-912,598.80

Finding the Fourth Proportional to 1,284,003.60, 1,930,152.60 and 912,598.80

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Solution

The fourth proportional to 1,284,003.60, 1,930,152.60 and 912,598.80 is: 1,371,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,003.60 : 1,930,152.60 = 912,598.80 : x
  2. Step 2: Convert to fraction form
    1,284,003.60/1,930,152.60 = 912,598.80/x
  3. Step 3: Cross multiply
    1,284,003.60x = 1,930,152.60 × 912,598.80
  4. Step 4: Simplify right side
    1,284,003.60x = 1,761,454,946,576.88
  5. Step 5: Solve for x
    x = 1,761,454,946,576.88/1,284,003.60
  6. Step 6: Final answer
    x = 1,371,845.80

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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.