Home / 705,875.31-1,058,344.89-256,542.80

Finding the Fourth Proportional to 705,875.31, 1,058,344.89 and 256,542.80

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Solution

The fourth proportional to 705,875.31, 1,058,344.89 and 256,542.80 is: 384,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,875.31 : 1,058,344.89 = 256,542.80 : x
  2. Step 2: Convert to fraction form
    705,875.31/1,058,344.89 = 256,542.80/x
  3. Step 3: Cross multiply
    705,875.31x = 1,058,344.89 × 256,542.80
  4. Step 4: Simplify right side
    705,875.31x = 271,510,755,192.53
  5. Step 5: Solve for x
    x = 271,510,755,192.53/705,875.31
  6. Step 6: Final answer
    x = 384,644.07

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1.5x scale

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.