Home / 988,279.39-1,363,825.62-535,570.39

Finding the Fourth Proportional to 988,279.39, 1,363,825.62 and 535,570.39

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Solution

The fourth proportional to 988,279.39, 1,363,825.62 and 535,570.39 is: 739,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,279.39 : 1,363,825.62 = 535,570.39 : x
  2. Step 2: Convert to fraction form
    988,279.39/1,363,825.62 = 535,570.39/x
  3. Step 3: Cross multiply
    988,279.39x = 1,363,825.62 × 535,570.39
  4. Step 4: Simplify right side
    988,279.39x = 730,424,619,195.39
  5. Step 5: Solve for x
    x = 730,424,619,195.39/988,279.39
  6. Step 6: Final answer
    x = 739,087.17

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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.