Home / 862,592.51-1,190,382.55-500,231.52

Finding the Fourth Proportional to 862,592.51, 1,190,382.55 and 500,231.52

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Solution

The fourth proportional to 862,592.51, 1,190,382.55 and 500,231.52 is: 690,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,592.51 : 1,190,382.55 = 500,231.52 : x
  2. Step 2: Convert to fraction form
    862,592.51/1,190,382.55 = 500,231.52/x
  3. Step 3: Cross multiply
    862,592.51x = 1,190,382.55 × 500,231.52
  4. Step 4: Simplify right side
    862,592.51x = 595,466,869,866.82
  5. Step 5: Solve for x
    x = 595,466,869,866.82/862,592.51
  6. Step 6: Final answer
    x = 690,322.33

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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.