Home / 1,077,086.49-1,486,412.53-618,284.87

Finding the Fourth Proportional to 1,077,086.49, 1,486,412.53 and 618,284.87

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Solution

The fourth proportional to 1,077,086.49, 1,486,412.53 and 618,284.87 is: 853,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,086.49 : 1,486,412.53 = 618,284.87 : x
  2. Step 2: Convert to fraction form
    1,077,086.49/1,486,412.53 = 618,284.87/x
  3. Step 3: Cross multiply
    1,077,086.49x = 1,486,412.53 × 618,284.87
  4. Step 4: Simplify right side
    1,077,086.49x = 919,026,377,877.42
  5. Step 5: Solve for x
    x = 919,026,377,877.42/1,077,086.49
  6. Step 6: Final answer
    x = 853,252.16

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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.