Home / 457,788.16-631,955.28-294,680.08

Finding the Fourth Proportional to 457,788.16, 631,955.28 and 294,680.08

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Solution

The fourth proportional to 457,788.16, 631,955.28 and 294,680.08 is: 406,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,788.16 : 631,955.28 = 294,680.08 : x
  2. Step 2: Convert to fraction form
    457,788.16/631,955.28 = 294,680.08/x
  3. Step 3: Cross multiply
    457,788.16x = 631,955.28 × 294,680.08
  4. Step 4: Simplify right side
    457,788.16x = 186,224,632,466.82
  5. Step 5: Solve for x
    x = 186,224,632,466.82/457,788.16
  6. Step 6: Final answer
    x = 406,792.16

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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.