Home / 683,728.72-943,525.77-377,800.24

Finding the Fourth Proportional to 683,728.72, 943,525.77 and 377,800.24

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Solution

The fourth proportional to 683,728.72, 943,525.77 and 377,800.24 is: 521,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,728.72 : 943,525.77 = 377,800.24 : x
  2. Step 2: Convert to fraction form
    683,728.72/943,525.77 = 377,800.24/x
  3. Step 3: Cross multiply
    683,728.72x = 943,525.77 × 377,800.24
  4. Step 4: Simplify right side
    683,728.72x = 356,464,262,352.19
  5. Step 5: Solve for x
    x = 356,464,262,352.19/683,728.72
  6. Step 6: Final answer
    x = 521,353.36

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1.5x scale

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.