Home / 988,278.39-1,363,824.24-535,569.39

Finding the Fourth Proportional to 988,278.39, 1,363,824.24 and 535,569.39

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Solution

The fourth proportional to 988,278.39, 1,363,824.24 and 535,569.39 is: 739,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,278.39 : 1,363,824.24 = 535,569.39 : x
  2. Step 2: Convert to fraction form
    988,278.39/1,363,824.24 = 535,569.39/x
  3. Step 3: Cross multiply
    988,278.39x = 1,363,824.24 × 535,569.39
  4. Step 4: Simplify right side
    988,278.39x = 730,422,516,284.01
  5. Step 5: Solve for x
    x = 730,422,516,284.01/988,278.39
  6. Step 6: Final answer
    x = 739,085.79

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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.