Home / 840,718.85-1,160,220.01-458,766.59

Finding the Fourth Proportional to 840,718.85, 1,160,220.01 and 458,766.59

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Solution

The fourth proportional to 840,718.85, 1,160,220.01 and 458,766.59 is: 633,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,718.85 : 1,160,220.01 = 458,766.59 : x
  2. Step 2: Convert to fraction form
    840,718.85/1,160,220.01 = 458,766.59/x
  3. Step 3: Cross multiply
    840,718.85x = 1,160,220.01 × 458,766.59
  4. Step 4: Simplify right side
    840,718.85x = 532,270,177,637.47
  5. Step 5: Solve for x
    x = 532,270,177,637.47/840,718.85
  6. Step 6: Final answer
    x = 633,113.17

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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.