Home / 1,266,152.78-1,898,668.00-909,672.19

Finding the Fourth Proportional to 1,266,152.78, 1,898,668.00 and 909,672.19

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Solution

The fourth proportional to 1,266,152.78, 1,898,668.00 and 909,672.19 is: 1,364,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,152.78 : 1,898,668.00 = 909,672.19 : x
  2. Step 2: Convert to fraction form
    1,266,152.78/1,898,668.00 = 909,672.19/x
  3. Step 3: Cross multiply
    1,266,152.78x = 1,898,668.00 × 909,672.19
  4. Step 4: Simplify right side
    1,266,152.78x = 1,727,165,463,601.22
  5. Step 5: Solve for x
    x = 1,727,165,463,601.22/1,266,152.78
  6. Step 6: Final answer
    x = 1,364,105.10

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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.