Home / 1,143,187.36-1,714,781.78-290,322.97

Finding the Fourth Proportional to 1,143,187.36, 1,714,781.78 and 290,322.97

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Solution

The fourth proportional to 1,143,187.36, 1,714,781.78 and 290,322.97 is: 435,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,187.36 : 1,714,781.78 = 290,322.97 : x
  2. Step 2: Convert to fraction form
    1,143,187.36/1,714,781.78 = 290,322.97/x
  3. Step 3: Cross multiply
    1,143,187.36x = 1,714,781.78 × 290,322.97
  4. Step 4: Simplify right side
    1,143,187.36x = 497,840,534,621.63
  5. Step 5: Solve for x
    x = 497,840,534,621.63/1,143,187.36
  6. Step 6: Final answer
    x = 435,484.64

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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.