Home / 464,531.65-640,921.88-270,947.81

Finding the Fourth Proportional to 464,531.65, 640,921.88 and 270,947.81

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Solution

The fourth proportional to 464,531.65, 640,921.88 and 270,947.81 is: 373,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,531.65 : 640,921.88 = 270,947.81 : x
  2. Step 2: Convert to fraction form
    464,531.65/640,921.88 = 270,947.81/x
  3. Step 3: Cross multiply
    464,531.65x = 640,921.88 × 270,947.81
  4. Step 4: Simplify right side
    464,531.65x = 173,656,377,239.84
  5. Step 5: Solve for x
    x = 173,656,377,239.84/464,531.65
  6. Step 6: Final answer
    x = 373,831.10

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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.