Home / 1,098,499.08-1,515,886.74-615,019

Finding the Fourth Proportional to 1,098,499.08, 1,515,886.74 and 615,019

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Solution

The fourth proportional to 1,098,499.08, 1,515,886.74 and 615,019 is: 848,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,499.08 : 1,515,886.74 = 615,019 : x
  2. Step 2: Convert to fraction form
    1,098,499.08/1,515,886.74 = 615,019/x
  3. Step 3: Cross multiply
    1,098,499.08x = 1,515,886.74 × 615,019
  4. Step 4: Simplify right side
    1,098,499.08x = 932,299,146,948.06
  5. Step 5: Solve for x
    x = 932,299,146,948.06/1,098,499.08
  6. Step 6: Final answer
    x = 848,702.71

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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.