Home / 840,718.60-1,160,219.64-458,766.34

Finding the Fourth Proportional to 840,718.60, 1,160,219.64 and 458,766.34

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Solution

The fourth proportional to 840,718.60, 1,160,219.64 and 458,766.34 is: 633,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,718.60 : 1,160,219.64 = 458,766.34 : x
  2. Step 2: Convert to fraction form
    840,718.60/1,160,219.64 = 458,766.34/x
  3. Step 3: Cross multiply
    840,718.60x = 1,160,219.64 × 458,766.34
  4. Step 4: Simplify right side
    840,718.60x = 532,269,717,838.92
  5. Step 5: Solve for x
    x = 532,269,717,838.92/840,718.60
  6. Step 6: Final answer
    x = 633,112.81

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1.5x scale

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.