Home / 1,266,896.16-1,748,490.60-776,778.96

Finding the Fourth Proportional to 1,266,896.16, 1,748,490.60 and 776,778.96

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Solution

The fourth proportional to 1,266,896.16, 1,748,490.60 and 776,778.96 is: 1,072,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,896.16 : 1,748,490.60 = 776,778.96 : x
  2. Step 2: Convert to fraction form
    1,266,896.16/1,748,490.60 = 776,778.96/x
  3. Step 3: Cross multiply
    1,266,896.16x = 1,748,490.60 × 776,778.96
  4. Step 4: Simplify right side
    1,266,896.16x = 1,358,190,709,837.78
  5. Step 5: Solve for x
    x = 1,358,190,709,837.78/1,266,896.16
  6. Step 6: Final answer
    x = 1,072,061.59

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