Home / 1,266,863.93-1,748,250.62-686,082.35

Finding the Fourth Proportional to 1,266,863.93, 1,748,250.62 and 686,082.35

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Solution

The fourth proportional to 1,266,863.93, 1,748,250.62 and 686,082.35 is: 946,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,863.93 : 1,748,250.62 = 686,082.35 : x
  2. Step 2: Convert to fraction form
    1,266,863.93/1,748,250.62 = 686,082.35/x
  3. Step 3: Cross multiply
    1,266,863.93x = 1,748,250.62 × 686,082.35
  4. Step 4: Simplify right side
    1,266,863.93x = 1,199,443,881,586.89
  5. Step 5: Solve for x
    x = 1,199,443,881,586.89/1,266,863.93
  6. Step 6: Final answer
    x = 946,781.94

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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.