Home / 1,338,906.16-2,007,932.74-440,140.74

Finding the Fourth Proportional to 1,338,906.16, 2,007,932.74 and 440,140.74

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Solution

The fourth proportional to 1,338,906.16, 2,007,932.74 and 440,140.74 is: 660,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,906.16 : 2,007,932.74 = 440,140.74 : x
  2. Step 2: Convert to fraction form
    1,338,906.16/2,007,932.74 = 440,140.74/x
  3. Step 3: Cross multiply
    1,338,906.16x = 2,007,932.74 × 440,140.74
  4. Step 4: Simplify right side
    1,338,906.16x = 883,772,995,899.52
  5. Step 5: Solve for x
    x = 883,772,995,899.52/1,338,906.16
  6. Step 6: Final answer
    x = 660,070.90

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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.