Home / 869,470.40-1,304,205.60-837,977.60

Finding the Fourth Proportional to 869,470.40, 1,304,205.60 and 837,977.60

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Solution

The fourth proportional to 869,470.40, 1,304,205.60 and 837,977.60 is: 1,256,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,470.40 : 1,304,205.60 = 837,977.60 : x
  2. Step 2: Convert to fraction form
    869,470.40/1,304,205.60 = 837,977.60/x
  3. Step 3: Cross multiply
    869,470.40x = 1,304,205.60 × 837,977.60
  4. Step 4: Simplify right side
    869,470.40x = 1,092,895,078,594.56
  5. Step 5: Solve for x
    x = 1,092,895,078,594.56/869,470.40
  6. Step 6: Final answer
    x = 1,256,966.40

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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.