Home / 1,314,338.40-1,972,285.20-866,354.40

Finding the Fourth Proportional to 1,314,338.40, 1,972,285.20 and 866,354.40

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Solution

The fourth proportional to 1,314,338.40, 1,972,285.20 and 866,354.40 is: 1,300,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,338.40 : 1,972,285.20 = 866,354.40 : x
  2. Step 2: Convert to fraction form
    1,314,338.40/1,972,285.20 = 866,354.40/x
  3. Step 3: Cross multiply
    1,314,338.40x = 1,972,285.20 × 866,354.40
  4. Step 4: Simplify right side
    1,314,338.40x = 1,708,697,961,074.88
  5. Step 5: Solve for x
    x = 1,708,697,961,074.88/1,314,338.40
  6. Step 6: Final answer
    x = 1,300,044.16

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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.