Home / 1,098,911.83-1,516,552.39-663,322.26

Finding the Fourth Proportional to 1,098,911.83, 1,516,552.39 and 663,322.26

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Solution

The fourth proportional to 1,098,911.83, 1,516,552.39 and 663,322.26 is: 915,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,911.83 : 1,516,552.39 = 663,322.26 : x
  2. Step 2: Convert to fraction form
    1,098,911.83/1,516,552.39 = 663,322.26/x
  3. Step 3: Cross multiply
    1,098,911.83x = 1,516,552.39 × 663,322.26
  4. Step 4: Simplify right side
    1,098,911.83x = 1,005,962,961,528.24
  5. Step 5: Solve for x
    x = 1,005,962,961,528.24/1,098,911.83
  6. Step 6: Final answer
    x = 915,417.36

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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.