Home / 1,039,385.61-1,433,561.78-894,435.71

Finding the Fourth Proportional to 1,039,385.61, 1,433,561.78 and 894,435.71

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Solution

The fourth proportional to 1,039,385.61, 1,433,561.78 and 894,435.71 is: 1,233,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,385.61 : 1,433,561.78 = 894,435.71 : x
  2. Step 2: Convert to fraction form
    1,039,385.61/1,433,561.78 = 894,435.71/x
  3. Step 3: Cross multiply
    1,039,385.61x = 1,433,561.78 × 894,435.71
  4. Step 4: Simplify right side
    1,039,385.61x = 1,282,228,836,883.18
  5. Step 5: Solve for x
    x = 1,282,228,836,883.18/1,039,385.61
  6. Step 6: Final answer
    x = 1,233,641.13

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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.