Home / 988,053.32-1,363,513.94-535,344.32

Finding the Fourth Proportional to 988,053.32, 1,363,513.94 and 535,344.32

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Solution

The fourth proportional to 988,053.32, 1,363,513.94 and 535,344.32 is: 738,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,053.32 : 1,363,513.94 = 535,344.32 : x
  2. Step 2: Convert to fraction form
    988,053.32/1,363,513.94 = 535,344.32/x
  3. Step 3: Cross multiply
    988,053.32x = 1,363,513.94 × 535,344.32
  4. Step 4: Simplify right side
    988,053.32x = 729,949,443,019.82
  5. Step 5: Solve for x
    x = 729,949,443,019.82/988,053.32
  6. Step 6: Final answer
    x = 738,775.36

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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.