Home / 1,189,554.56-1,784,681.28-479,217.28

Finding the Fourth Proportional to 1,189,554.56, 1,784,681.28 and 479,217.28

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Solution

The fourth proportional to 1,189,554.56, 1,784,681.28 and 479,217.28 is: 718,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,554.56 : 1,784,681.28 = 479,217.28 : x
  2. Step 2: Convert to fraction form
    1,189,554.56/1,784,681.28 = 479,217.28/x
  3. Step 3: Cross multiply
    1,189,554.56x = 1,784,681.28 × 479,217.28
  4. Step 4: Simplify right side
    1,189,554.56x = 855,250,108,668.52
  5. Step 5: Solve for x
    x = 855,250,108,668.52/1,189,554.56
  6. Step 6: Final answer
    x = 718,966.69

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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.