Home / 457,312.08-685,968.39-190,927.38

Finding the Fourth Proportional to 457,312.08, 685,968.39 and 190,927.38

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Solution

The fourth proportional to 457,312.08, 685,968.39 and 190,927.38 is: 286,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,312.08 : 685,968.39 = 190,927.38 : x
  2. Step 2: Convert to fraction form
    457,312.08/685,968.39 = 190,927.38/x
  3. Step 3: Cross multiply
    457,312.08x = 685,968.39 × 190,927.38
  4. Step 4: Simplify right side
    457,312.08x = 130,970,147,465.52
  5. Step 5: Solve for x
    x = 130,970,147,465.52/457,312.08
  6. Step 6: Final answer
    x = 286,391.18

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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.