Home / 862,688.51-1,190,514.88-500,327.22

Finding the Fourth Proportional to 862,688.51, 1,190,514.88 and 500,327.22

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Solution

The fourth proportional to 862,688.51, 1,190,514.88 and 500,327.22 is: 690,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,688.51 : 1,190,514.88 = 500,327.22 : x
  2. Step 2: Convert to fraction form
    862,688.51/1,190,514.88 = 500,327.22/x
  3. Step 3: Cross multiply
    862,688.51x = 1,190,514.88 × 500,327.22
  4. Step 4: Simplify right side
    862,688.51x = 595,646,995,857.89
  5. Step 5: Solve for x
    x = 595,646,995,857.89/862,688.51
  6. Step 6: Final answer
    x = 690,454.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.