Home / 927,540.77-1,388,949.03-611,038.13

Finding the Fourth Proportional to 927,540.77, 1,388,949.03 and 611,038.13

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Solution

The fourth proportional to 927,540.77, 1,388,949.03 and 611,038.13 is: 915,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,540.77 : 1,388,949.03 = 611,038.13 : x
  2. Step 2: Convert to fraction form
    927,540.77/1,388,949.03 = 611,038.13/x
  3. Step 3: Cross multiply
    927,540.77x = 1,388,949.03 × 611,038.13
  4. Step 4: Simplify right side
    927,540.77x = 848,700,811,011.77
  5. Step 5: Solve for x
    x = 848,700,811,011.77/927,540.77
  6. Step 6: Final answer
    x = 915,001.09

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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.