Home / 384,746.23-531,290.25-239,799.39

Finding the Fourth Proportional to 384,746.23, 531,290.25 and 239,799.39

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Solution

The fourth proportional to 384,746.23, 531,290.25 and 239,799.39 is: 331,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,746.23 : 531,290.25 = 239,799.39 : x
  2. Step 2: Convert to fraction form
    384,746.23/531,290.25 = 239,799.39/x
  3. Step 3: Cross multiply
    384,746.23x = 531,290.25 × 239,799.39
  4. Step 4: Simplify right side
    384,746.23x = 127,403,076,963.70
  5. Step 5: Solve for x
    x = 127,403,076,963.70/384,746.23
  6. Step 6: Final answer
    x = 331,135.35

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1.5x scale

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.