Home / 847,105.39-1,169,024.30-465,133.69

Finding the Fourth Proportional to 847,105.39, 1,169,024.30 and 465,133.69

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Solution

The fourth proportional to 847,105.39, 1,169,024.30 and 465,133.69 is: 641,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,105.39 : 1,169,024.30 = 465,133.69 : x
  2. Step 2: Convert to fraction form
    847,105.39/1,169,024.30 = 465,133.69/x
  3. Step 3: Cross multiply
    847,105.39x = 1,169,024.30 × 465,133.69
  4. Step 4: Simplify right side
    847,105.39x = 543,752,586,358.67
  5. Step 5: Solve for x
    x = 543,752,586,358.67/847,105.39
  6. Step 6: Final answer
    x = 641,894.85

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Half scale
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Double scale
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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.