Home / 847,180.79-1,169,096.16-465,207.57

Finding the Fourth Proportional to 847,180.79, 1,169,096.16 and 465,207.57

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Solution

The fourth proportional to 847,180.79, 1,169,096.16 and 465,207.57 is: 641,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,180.79 : 1,169,096.16 = 465,207.57 : x
  2. Step 2: Convert to fraction form
    847,180.79/1,169,096.16 = 465,207.57/x
  3. Step 3: Cross multiply
    847,180.79x = 1,169,096.16 × 465,207.57
  4. Step 4: Simplify right side
    847,180.79x = 543,872,385,434.46
  5. Step 5: Solve for x
    x = 543,872,385,434.46/847,180.79
  6. Step 6: Final answer
    x = 641,979.13

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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.