Home / 744,711.40-1,117,358.70-295,355.80

Finding the Fourth Proportional to 744,711.40, 1,117,358.70 and 295,355.80

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Solution

The fourth proportional to 744,711.40, 1,117,358.70 and 295,355.80 is: 443,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,711.40 : 1,117,358.70 = 295,355.80 : x
  2. Step 2: Convert to fraction form
    744,711.40/1,117,358.70 = 295,355.80/x
  3. Step 3: Cross multiply
    744,711.40x = 1,117,358.70 × 295,355.80
  4. Step 4: Simplify right side
    744,711.40x = 330,018,372,725.46
  5. Step 5: Solve for x
    x = 330,018,372,725.46/744,711.40
  6. Step 6: Final answer
    x = 443,149.35

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Double scale
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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.