Home / 982,869.59-1,356,778.53-660,766.50

Finding the Fourth Proportional to 982,869.59, 1,356,778.53 and 660,766.50

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Solution

The fourth proportional to 982,869.59, 1,356,778.53 and 660,766.50 is: 912,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,869.59 : 1,356,778.53 = 660,766.50 : x
  2. Step 2: Convert to fraction form
    982,869.59/1,356,778.53 = 660,766.50/x
  3. Step 3: Cross multiply
    982,869.59x = 1,356,778.53 × 660,766.50
  4. Step 4: Simplify right side
    982,869.59x = 896,513,800,543.25
  5. Step 5: Solve for x
    x = 896,513,800,543.25/982,869.59
  6. Step 6: Final answer
    x = 912,139.12

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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.