Home / 876,427.50-1,209,470.04-474,019.50

Finding the Fourth Proportional to 876,427.50, 1,209,470.04 and 474,019.50

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Solution

The fourth proportional to 876,427.50, 1,209,470.04 and 474,019.50 is: 654,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,427.50 : 1,209,470.04 = 474,019.50 : x
  2. Step 2: Convert to fraction form
    876,427.50/1,209,470.04 = 474,019.50/x
  3. Step 3: Cross multiply
    876,427.50x = 1,209,470.04 × 474,019.50
  4. Step 4: Simplify right side
    876,427.50x = 573,312,383,625.78
  5. Step 5: Solve for x
    x = 573,312,383,625.78/876,427.50
  6. Step 6: Final answer
    x = 654,146.96

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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.