Home / 969,103.16-1,337,348.88-539,383.40

Finding the Fourth Proportional to 969,103.16, 1,337,348.88 and 539,383.40

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Solution

The fourth proportional to 969,103.16, 1,337,348.88 and 539,383.40 is: 744,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,103.16 : 1,337,348.88 = 539,383.40 : x
  2. Step 2: Convert to fraction form
    969,103.16/1,337,348.88 = 539,383.40/x
  3. Step 3: Cross multiply
    969,103.16x = 1,337,348.88 × 539,383.40
  4. Step 4: Simplify right side
    969,103.16x = 721,343,785,880.59
  5. Step 5: Solve for x
    x = 721,343,785,880.59/969,103.16
  6. Step 6: Final answer
    x = 744,341.59

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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.