Home / 1,055,588.20-1,583,382.30-256,863.40

Finding the Fourth Proportional to 1,055,588.20, 1,583,382.30 and 256,863.40

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Solution

The fourth proportional to 1,055,588.20, 1,583,382.30 and 256,863.40 is: 385,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,588.20 : 1,583,382.30 = 256,863.40 : x
  2. Step 2: Convert to fraction form
    1,055,588.20/1,583,382.30 = 256,863.40/x
  3. Step 3: Cross multiply
    1,055,588.20x = 1,583,382.30 × 256,863.40
  4. Step 4: Simplify right side
    1,055,588.20x = 406,712,961,077.82
  5. Step 5: Solve for x
    x = 406,712,961,077.82/1,055,588.20
  6. Step 6: Final answer
    x = 385,295.10

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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.