Home / 1,143,257.68-1,714,887.13-290,393.29

Finding the Fourth Proportional to 1,143,257.68, 1,714,887.13 and 290,393.29

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Solution

The fourth proportional to 1,143,257.68, 1,714,887.13 and 290,393.29 is: 435,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,257.68 : 1,714,887.13 = 290,393.29 : x
  2. Step 2: Convert to fraction form
    1,143,257.68/1,714,887.13 = 290,393.29/x
  3. Step 3: Cross multiply
    1,143,257.68x = 1,714,887.13 × 290,393.29
  4. Step 4: Simplify right side
    1,143,257.68x = 497,991,715,659.36
  5. Step 5: Solve for x
    x = 497,991,715,659.36/1,143,257.68
  6. Step 6: Final answer
    x = 435,590.09

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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.