Home / 913,970.36-1,261,099.86-574,241.78

Finding the Fourth Proportional to 913,970.36, 1,261,099.86 and 574,241.78

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Solution

The fourth proportional to 913,970.36, 1,261,099.86 and 574,241.78 is: 792,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,970.36 : 1,261,099.86 = 574,241.78 : x
  2. Step 2: Convert to fraction form
    913,970.36/1,261,099.86 = 574,241.78/x
  3. Step 3: Cross multiply
    913,970.36x = 1,261,099.86 × 574,241.78
  4. Step 4: Simplify right side
    913,970.36x = 724,176,228,364.15
  5. Step 5: Solve for x
    x = 724,176,228,364.15/913,970.36
  6. Step 6: Final answer
    x = 792,341.04

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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.