Home / 626,738.31-864,902.48-368,626.17

Finding the Fourth Proportional to 626,738.31, 864,902.48 and 368,626.17

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Solution

The fourth proportional to 626,738.31, 864,902.48 and 368,626.17 is: 508,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,738.31 : 864,902.48 = 368,626.17 : x
  2. Step 2: Convert to fraction form
    626,738.31/864,902.48 = 368,626.17/x
  3. Step 3: Cross multiply
    626,738.31x = 864,902.48 × 368,626.17
  4. Step 4: Simplify right side
    626,738.31x = 318,825,690,026.16
  5. Step 5: Solve for x
    x = 318,825,690,026.16/626,738.31
  6. Step 6: Final answer
    x = 508,706.24

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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.