Home / 1,077,396.58-1,486,941.87-618,654.70

Finding the Fourth Proportional to 1,077,396.58, 1,486,941.87 and 618,654.70

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Solution

The fourth proportional to 1,077,396.58, 1,486,941.87 and 618,654.70 is: 853,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,396.58 : 1,486,941.87 = 618,654.70 : x
  2. Step 2: Convert to fraction form
    1,077,396.58/1,486,941.87 = 618,654.70/x
  3. Step 3: Cross multiply
    1,077,396.58x = 1,486,941.87 × 618,654.70
  4. Step 4: Simplify right side
    1,077,396.58x = 919,903,576,502.29
  5. Step 5: Solve for x
    x = 919,903,576,502.29/1,077,396.58
  6. Step 6: Final answer
    x = 853,820.77

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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.