Home / 908,117.48-1,252,919.17-515,586.22

Finding the Fourth Proportional to 908,117.48, 1,252,919.17 and 515,586.22

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Solution

The fourth proportional to 908,117.48, 1,252,919.17 and 515,586.22 is: 711,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,117.48 : 1,252,919.17 = 515,586.22 : x
  2. Step 2: Convert to fraction form
    908,117.48/1,252,919.17 = 515,586.22/x
  3. Step 3: Cross multiply
    908,117.48x = 1,252,919.17 × 515,586.22
  4. Step 4: Simplify right side
    908,117.48x = 645,987,858,825.84
  5. Step 5: Solve for x
    x = 645,987,858,825.84/908,117.48
  6. Step 6: Final answer
    x = 711,348.34

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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.