Home / 836,641.12-1,154,571.96-454,667.80

Finding the Fourth Proportional to 836,641.12, 1,154,571.96 and 454,667.80

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Solution

The fourth proportional to 836,641.12, 1,154,571.96 and 454,667.80 is: 627,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,641.12 : 1,154,571.96 = 454,667.80 : x
  2. Step 2: Convert to fraction form
    836,641.12/1,154,571.96 = 454,667.80/x
  3. Step 3: Cross multiply
    836,641.12x = 1,154,571.96 × 454,667.80
  4. Step 4: Simplify right side
    836,641.12x = 524,946,692,994.89
  5. Step 5: Solve for x
    x = 524,946,692,994.89/836,641.12
  6. Step 6: Final answer
    x = 627,445.48

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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.