Home / 1,137,397.88-1,707,409-577,613.36

Finding the Fourth Proportional to 1,137,397.88, 1,707,409 and 577,613.36

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Solution

The fourth proportional to 1,137,397.88, 1,707,409 and 577,613.36 is: 867,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,397.88 : 1,707,409 = 577,613.36 : x
  2. Step 2: Convert to fraction form
    1,137,397.88/1,707,409 = 577,613.36/x
  3. Step 3: Cross multiply
    1,137,397.88x = 1,707,409 × 577,613.36
  4. Step 4: Simplify right side
    1,137,397.88x = 986,222,249,384.24
  5. Step 5: Solve for x
    x = 986,222,249,384.24/1,137,397.88
  6. Step 6: Final answer
    x = 867,086.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.