Home / 910,830.30-1,366,245.45-898,388.70

Finding the Fourth Proportional to 910,830.30, 1,366,245.45 and 898,388.70

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Solution

The fourth proportional to 910,830.30, 1,366,245.45 and 898,388.70 is: 1,347,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,830.30 : 1,366,245.45 = 898,388.70 : x
  2. Step 2: Convert to fraction form
    910,830.30/1,366,245.45 = 898,388.70/x
  3. Step 3: Cross multiply
    910,830.30x = 1,366,245.45 × 898,388.70
  4. Step 4: Simplify right side
    910,830.30x = 1,227,419,473,706.41
  5. Step 5: Solve for x
    x = 1,227,419,473,706.41/910,830.30
  6. Step 6: Final answer
    x = 1,347,583.05

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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.