Home / 1,238,484.60-1,857,726.90-1,191,245.40

Finding the Fourth Proportional to 1,238,484.60, 1,857,726.90 and 1,191,245.40

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Solution

The fourth proportional to 1,238,484.60, 1,857,726.90 and 1,191,245.40 is: 1,786,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,484.60 : 1,857,726.90 = 1,191,245.40 : x
  2. Step 2: Convert to fraction form
    1,238,484.60/1,857,726.90 = 1,191,245.40/x
  3. Step 3: Cross multiply
    1,238,484.60x = 1,857,726.90 × 1,191,245.40
  4. Step 4: Simplify right side
    1,238,484.60x = 2,213,008,624,081.26
  5. Step 5: Solve for x
    x = 2,213,008,624,081.26/1,238,484.60
  6. Step 6: Final answer
    x = 1,786,868.10

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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.