Home / 507,822.72-761,833.72-187,977.39

Finding the Fourth Proportional to 507,822.72, 761,833.72 and 187,977.39

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Solution

The fourth proportional to 507,822.72, 761,833.72 and 187,977.39 is: 282,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,822.72 : 761,833.72 = 187,977.39 : x
  2. Step 2: Convert to fraction form
    507,822.72/761,833.72 = 187,977.39/x
  3. Step 3: Cross multiply
    507,822.72x = 761,833.72 × 187,977.39
  4. Step 4: Simplify right side
    507,822.72x = 143,207,510,960.37
  5. Step 5: Solve for x
    x = 143,207,510,960.37/507,822.72
  6. Step 6: Final answer
    x = 282,002.96

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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.