Home / 1,189,878.04-1,783,044.78-657,551.44

Finding the Fourth Proportional to 1,189,878.04, 1,783,044.78 and 657,551.44

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Solution

The fourth proportional to 1,189,878.04, 1,783,044.78 and 657,551.44 is: 985,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,878.04 : 1,783,044.78 = 657,551.44 : x
  2. Step 2: Convert to fraction form
    1,189,878.04/1,783,044.78 = 657,551.44/x
  3. Step 3: Cross multiply
    1,189,878.04x = 1,783,044.78 × 657,551.44
  4. Step 4: Simplify right side
    1,189,878.04x = 1,172,443,662,673.48
  5. Step 5: Solve for x
    x = 1,172,443,662,673.48/1,189,878.04
  6. Step 6: Final answer
    x = 985,347.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.