Home / 906,715.40-1,358,906.70-551,352.20

Finding the Fourth Proportional to 906,715.40, 1,358,906.70 and 551,352.20

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Solution

The fourth proportional to 906,715.40, 1,358,906.70 and 551,352.20 is: 826,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,715.40 : 1,358,906.70 = 551,352.20 : x
  2. Step 2: Convert to fraction form
    906,715.40/1,358,906.70 = 551,352.20/x
  3. Step 3: Cross multiply
    906,715.40x = 1,358,906.70 × 551,352.20
  4. Step 4: Simplify right side
    906,715.40x = 749,236,198,639.74
  5. Step 5: Solve for x
    x = 749,236,198,639.74/906,715.40
  6. Step 6: Final answer
    x = 826,319.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.