Home / 705,499.11-1,058,246.64-256,218.17

Finding the Fourth Proportional to 705,499.11, 1,058,246.64 and 256,218.17

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Solution

The fourth proportional to 705,499.11, 1,058,246.64 and 256,218.17 is: 384,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,499.11 : 1,058,246.64 = 256,218.17 : x
  2. Step 2: Convert to fraction form
    705,499.11/1,058,246.64 = 256,218.17/x
  3. Step 3: Cross multiply
    705,499.11x = 1,058,246.64 × 256,218.17
  4. Step 4: Simplify right side
    705,499.11x = 271,142,012,218.22
  5. Step 5: Solve for x
    x = 271,142,012,218.22/705,499.11
  6. Step 6: Final answer
    x = 384,326.51

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Double scale
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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.