Home / 1,129,256.36-1,693,885.61-929,156.11

Finding the Fourth Proportional to 1,129,256.36, 1,693,885.61 and 929,156.11

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Solution

The fourth proportional to 1,129,256.36, 1,693,885.61 and 929,156.11 is: 1,393,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,256.36 : 1,693,885.61 = 929,156.11 : x
  2. Step 2: Convert to fraction form
    1,129,256.36/1,693,885.61 = 929,156.11/x
  3. Step 3: Cross multiply
    1,129,256.36x = 1,693,885.61 × 929,156.11
  4. Step 4: Simplify right side
    1,129,256.36x = 1,573,884,155,703.15
  5. Step 5: Solve for x
    x = 1,573,884,155,703.15/1,129,256.36
  6. Step 6: Final answer
    x = 1,393,735.04

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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.