Home / 1,153,068.78-1,591,114.20-669,539.66

Finding the Fourth Proportional to 1,153,068.78, 1,591,114.20 and 669,539.66

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Solution

The fourth proportional to 1,153,068.78, 1,591,114.20 and 669,539.66 is: 923,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,068.78 : 1,591,114.20 = 669,539.66 : x
  2. Step 2: Convert to fraction form
    1,153,068.78/1,591,114.20 = 669,539.66/x
  3. Step 3: Cross multiply
    1,153,068.78x = 1,591,114.20 × 669,539.66
  4. Step 4: Simplify right side
    1,153,068.78x = 1,065,314,060,489.17
  5. Step 5: Solve for x
    x = 1,065,314,060,489.17/1,153,068.78
  6. Step 6: Final answer
    x = 923,894.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.