Home / 1,169,918.89-1,614,339.71-686,307.58

Finding the Fourth Proportional to 1,169,918.89, 1,614,339.71 and 686,307.58

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Solution

The fourth proportional to 1,169,918.89, 1,614,339.71 and 686,307.58 is: 947,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,918.89 : 1,614,339.71 = 686,307.58 : x
  2. Step 2: Convert to fraction form
    1,169,918.89/1,614,339.71 = 686,307.58/x
  3. Step 3: Cross multiply
    1,169,918.89x = 1,614,339.71 × 686,307.58
  4. Step 4: Simplify right side
    1,169,918.89x = 1,107,933,572,674.08
  5. Step 5: Solve for x
    x = 1,107,933,572,674.08/1,169,918.89
  6. Step 6: Final answer
    x = 947,017.43

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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.