Home / 1,175,507.72-1,622,377.96-716,888.36

Finding the Fourth Proportional to 1,175,507.72, 1,622,377.96 and 716,888.36

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Solution

The fourth proportional to 1,175,507.72, 1,622,377.96 and 716,888.36 is: 989,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,507.72 : 1,622,377.96 = 716,888.36 : x
  2. Step 2: Convert to fraction form
    1,175,507.72/1,622,377.96 = 716,888.36/x
  3. Step 3: Cross multiply
    1,175,507.72x = 1,622,377.96 × 716,888.36
  4. Step 4: Simplify right side
    1,175,507.72x = 1,163,063,875,044.55
  5. Step 5: Solve for x
    x = 1,163,063,875,044.55/1,175,507.72
  6. Step 6: Final answer
    x = 989,414.07

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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.