Home / 1,693,111.80-2,336,441.60-929,145.72

Finding the Fourth Proportional to 1,693,111.80, 2,336,441.60 and 929,145.72

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Solution

The fourth proportional to 1,693,111.80, 2,336,441.60 and 929,145.72 is: 1,282,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,111.80 : 2,336,441.60 = 929,145.72 : x
  2. Step 2: Convert to fraction form
    1,693,111.80/2,336,441.60 = 929,145.72/x
  3. Step 3: Cross multiply
    1,693,111.80x = 2,336,441.60 × 929,145.72
  4. Step 4: Simplify right side
    1,693,111.80x = 2,170,894,712,669.95
  5. Step 5: Solve for x
    x = 2,170,894,712,669.95/1,693,111.80
  6. Step 6: Final answer
    x = 1,282,192.18

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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.