Home / 923,881.14-1,386,260.33-640,008.54

Finding the Fourth Proportional to 923,881.14, 1,386,260.33 and 640,008.54

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Solution

The fourth proportional to 923,881.14, 1,386,260.33 and 640,008.54 is: 960,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,881.14 : 1,386,260.33 = 640,008.54 : x
  2. Step 2: Convert to fraction form
    923,881.14/1,386,260.33 = 640,008.54/x
  3. Step 3: Cross multiply
    923,881.14x = 1,386,260.33 × 640,008.54
  4. Step 4: Simplify right side
    923,881.14x = 887,218,446,663.18
  5. Step 5: Solve for x
    x = 887,218,446,663.18/923,881.14
  6. Step 6: Final answer
    x = 960,316.66

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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.