Home / 1,349,559.88-1,861,655.54-865,586.76

Finding the Fourth Proportional to 1,349,559.88, 1,861,655.54 and 865,586.76

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Solution

The fourth proportional to 1,349,559.88, 1,861,655.54 and 865,586.76 is: 1,194,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,559.88 : 1,861,655.54 = 865,586.76 : x
  2. Step 2: Convert to fraction form
    1,349,559.88/1,861,655.54 = 865,586.76/x
  3. Step 3: Cross multiply
    1,349,559.88x = 1,861,655.54 × 865,586.76
  4. Step 4: Simplify right side
    1,349,559.88x = 1,611,424,387,104.65
  5. Step 5: Solve for x
    x = 1,611,424,387,104.65/1,349,559.88
  6. Step 6: Final answer
    x = 1,194,036.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.