Home / 464,104.18-640,470.33-282,823.75

Finding the Fourth Proportional to 464,104.18, 640,470.33 and 282,823.75

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Solution

The fourth proportional to 464,104.18, 640,470.33 and 282,823.75 is: 390,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,104.18 : 640,470.33 = 282,823.75 : x
  2. Step 2: Convert to fraction form
    464,104.18/640,470.33 = 282,823.75/x
  3. Step 3: Cross multiply
    464,104.18x = 640,470.33 × 282,823.75
  4. Step 4: Simplify right side
    464,104.18x = 181,140,215,877.87
  5. Step 5: Solve for x
    x = 181,140,215,877.87/464,104.18
  6. Step 6: Final answer
    x = 390,300.77

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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.