Home / 1,091,367.80-1,637,230.90-343,233.40

Finding the Fourth Proportional to 1,091,367.80, 1,637,230.90 and 343,233.40

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Solution

The fourth proportional to 1,091,367.80, 1,637,230.90 and 343,233.40 is: 514,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,367.80 : 1,637,230.90 = 343,233.40 : x
  2. Step 2: Convert to fraction form
    1,091,367.80/1,637,230.90 = 343,233.40/x
  3. Step 3: Cross multiply
    1,091,367.80x = 1,637,230.90 × 343,233.40
  4. Step 4: Simplify right side
    1,091,367.80x = 561,952,328,392.06
  5. Step 5: Solve for x
    x = 561,952,328,392.06/1,091,367.80
  6. Step 6: Final answer
    x = 514,906.46

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1.5x scale

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.