Home / 1,214,118.80-1,822,279.80-615,496.40

Finding the Fourth Proportional to 1,214,118.80, 1,822,279.80 and 615,496.40

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Solution

The fourth proportional to 1,214,118.80, 1,822,279.80 and 615,496.40 is: 923,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,118.80 : 1,822,279.80 = 615,496.40 : x
  2. Step 2: Convert to fraction form
    1,214,118.80/1,822,279.80 = 615,496.40/x
  3. Step 3: Cross multiply
    1,214,118.80x = 1,822,279.80 × 615,496.40
  4. Step 4: Simplify right side
    1,214,118.80x = 1,121,606,656,692.72
  5. Step 5: Solve for x
    x = 1,121,606,656,692.72/1,214,118.80
  6. Step 6: Final answer
    x = 923,803.06

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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.