Home / 932,736.91-1,398,948.85-258,886.68

Finding the Fourth Proportional to 932,736.91, 1,398,948.85 and 258,886.68

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Solution

The fourth proportional to 932,736.91, 1,398,948.85 and 258,886.68 is: 388,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,736.91 : 1,398,948.85 = 258,886.68 : x
  2. Step 2: Convert to fraction form
    932,736.91/1,398,948.85 = 258,886.68/x
  3. Step 3: Cross multiply
    932,736.91x = 1,398,948.85 × 258,886.68
  4. Step 4: Simplify right side
    932,736.91x = 362,169,223,266.32
  5. Step 5: Solve for x
    x = 362,169,223,266.32/932,736.91
  6. Step 6: Final answer
    x = 388,286.58

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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.