Home / 578,426.19-867,613.72-157,702.11

Finding the Fourth Proportional to 578,426.19, 867,613.72 and 157,702.11

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Solution

The fourth proportional to 578,426.19, 867,613.72 and 157,702.11 is: 236,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,426.19 : 867,613.72 = 157,702.11 : x
  2. Step 2: Convert to fraction form
    578,426.19/867,613.72 = 157,702.11/x
  3. Step 3: Cross multiply
    578,426.19x = 867,613.72 × 157,702.11
  4. Step 4: Simplify right side
    578,426.19x = 136,824,514,308.95
  5. Step 5: Solve for x
    x = 136,824,514,308.95/578,426.19
  6. Step 6: Final answer
    x = 236,546.19

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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.