Home / 1,091,369.80-1,637,233.90-343,235.40

Finding the Fourth Proportional to 1,091,369.80, 1,637,233.90 and 343,235.40

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Solution

The fourth proportional to 1,091,369.80, 1,637,233.90 and 343,235.40 is: 514,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,369.80 : 1,637,233.90 = 343,235.40 : x
  2. Step 2: Convert to fraction form
    1,091,369.80/1,637,233.90 = 343,235.40/x
  3. Step 3: Cross multiply
    1,091,369.80x = 1,637,233.90 × 343,235.40
  4. Step 4: Simplify right side
    1,091,369.80x = 561,956,632,560.06
  5. Step 5: Solve for x
    x = 561,956,632,560.06/1,091,369.80
  6. Step 6: Final answer
    x = 514,909.46

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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.