Home / 1,266,712.32-1,900,192.95-368,161.50

Finding the Fourth Proportional to 1,266,712.32, 1,900,192.95 and 368,161.50

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Solution

The fourth proportional to 1,266,712.32, 1,900,192.95 and 368,161.50 is: 552,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,712.32 : 1,900,192.95 = 368,161.50 : x
  2. Step 2: Convert to fraction form
    1,266,712.32/1,900,192.95 = 368,161.50/x
  3. Step 3: Cross multiply
    1,266,712.32x = 1,900,192.95 × 368,161.50
  4. Step 4: Simplify right side
    1,266,712.32x = 699,577,886,761.43
  5. Step 5: Solve for x
    x = 699,577,886,761.43/1,266,712.32
  6. Step 6: Final answer
    x = 552,278.43

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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.