Home / 1,336,005.80-1,999,343.10-934,764.20

Finding the Fourth Proportional to 1,336,005.80, 1,999,343.10 and 934,764.20

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Solution

The fourth proportional to 1,336,005.80, 1,999,343.10 and 934,764.20 is: 1,398,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,005.80 : 1,999,343.10 = 934,764.20 : x
  2. Step 2: Convert to fraction form
    1,336,005.80/1,999,343.10 = 934,764.20/x
  3. Step 3: Cross multiply
    1,336,005.80x = 1,999,343.10 × 934,764.20
  4. Step 4: Simplify right side
    1,336,005.80x = 1,868,914,353,397.02
  5. Step 5: Solve for x
    x = 1,868,914,353,397.02/1,336,005.80
  6. Step 6: Final answer
    x = 1,398,881.92

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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.