Home / 691,053.45-1,036,632.66-235,503.12

Finding the Fourth Proportional to 691,053.45, 1,036,632.66 and 235,503.12

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Solution

The fourth proportional to 691,053.45, 1,036,632.66 and 235,503.12 is: 353,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,053.45 : 1,036,632.66 = 235,503.12 : x
  2. Step 2: Convert to fraction form
    691,053.45/1,036,632.66 = 235,503.12/x
  3. Step 3: Cross multiply
    691,053.45x = 1,036,632.66 × 235,503.12
  4. Step 4: Simplify right side
    691,053.45x = 244,130,225,723.90
  5. Step 5: Solve for x
    x = 244,130,225,723.90/691,053.45
  6. Step 6: Final answer
    x = 353,272.57

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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.