Home / 833,906.15-1,151,355.39-528,253.76

Finding the Fourth Proportional to 833,906.15, 1,151,355.39 and 528,253.76

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Solution

The fourth proportional to 833,906.15, 1,151,355.39 and 528,253.76 is: 729,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,906.15 : 1,151,355.39 = 528,253.76 : x
  2. Step 2: Convert to fraction form
    833,906.15/1,151,355.39 = 528,253.76/x
  3. Step 3: Cross multiply
    833,906.15x = 1,151,355.39 × 528,253.76
  4. Step 4: Simplify right side
    833,906.15x = 608,207,813,863.77
  5. Step 5: Solve for x
    x = 608,207,813,863.77/833,906.15
  6. Step 6: Final answer
    x = 729,348.04

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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.