Home / 923,709.36-1,384,488.36-391,053.36

Finding the Fourth Proportional to 923,709.36, 1,384,488.36 and 391,053.36

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Solution

The fourth proportional to 923,709.36, 1,384,488.36 and 391,053.36 is: 586,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,709.36 : 1,384,488.36 = 391,053.36 : x
  2. Step 2: Convert to fraction form
    923,709.36/1,384,488.36 = 391,053.36/x
  3. Step 3: Cross multiply
    923,709.36x = 1,384,488.36 × 391,053.36
  4. Step 4: Simplify right side
    923,709.36x = 541,408,825,058.89
  5. Step 5: Solve for x
    x = 541,408,825,058.89/923,709.36
  6. Step 6: Final answer
    x = 586,124.65

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1.5x scale

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.