Home / 1,112,705.67-1,666,462.77-812,441.52

Finding the Fourth Proportional to 1,112,705.67, 1,666,462.77 and 812,441.52

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Solution

The fourth proportional to 1,112,705.67, 1,666,462.77 and 812,441.52 is: 1,216,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,705.67 : 1,666,462.77 = 812,441.52 : x
  2. Step 2: Convert to fraction form
    1,112,705.67/1,666,462.77 = 812,441.52/x
  3. Step 3: Cross multiply
    1,112,705.67x = 1,666,462.77 × 812,441.52
  4. Step 4: Simplify right side
    1,112,705.67x = 1,353,903,545,882.21
  5. Step 5: Solve for x
    x = 1,353,903,545,882.21/1,112,705.67
  6. Step 6: Final answer
    x = 1,216,767.01

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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.