Home / 1,098,195.40-1,645,980.90-565,442.20

Finding the Fourth Proportional to 1,098,195.40, 1,645,980.90 and 565,442.20

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Solution

The fourth proportional to 1,098,195.40, 1,645,980.90 and 565,442.20 is: 847,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,195.40 : 1,645,980.90 = 565,442.20 : x
  2. Step 2: Convert to fraction form
    1,098,195.40/1,645,980.90 = 565,442.20/x
  3. Step 3: Cross multiply
    1,098,195.40x = 1,645,980.90 × 565,442.20
  4. Step 4: Simplify right side
    1,098,195.40x = 930,707,061,253.98
  5. Step 5: Solve for x
    x = 930,707,061,253.98/1,098,195.40
  6. Step 6: Final answer
    x = 847,487.67

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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.