Home / 862,887.03-1,190,824.62-480,916.53

Finding the Fourth Proportional to 862,887.03, 1,190,824.62 and 480,916.53

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Solution

The fourth proportional to 862,887.03, 1,190,824.62 and 480,916.53 is: 663,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,887.03 : 1,190,824.62 = 480,916.53 : x
  2. Step 2: Convert to fraction form
    862,887.03/1,190,824.62 = 480,916.53/x
  3. Step 3: Cross multiply
    862,887.03x = 1,190,824.62 × 480,916.53
  4. Step 4: Simplify right side
    862,887.03x = 572,687,244,088.97
  5. Step 5: Solve for x
    x = 572,687,244,088.97/862,887.03
  6. Step 6: Final answer
    x = 663,687.39

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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.