Home / 377,776.23-521,376.27-222,762.57

Finding the Fourth Proportional to 377,776.23, 521,376.27 and 222,762.57

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Solution

The fourth proportional to 377,776.23, 521,376.27 and 222,762.57 is: 307,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,776.23 : 521,376.27 = 222,762.57 : x
  2. Step 2: Convert to fraction form
    377,776.23/521,376.27 = 222,762.57/x
  3. Step 3: Cross multiply
    377,776.23x = 521,376.27 × 222,762.57
  4. Step 4: Simplify right side
    377,776.23x = 116,143,117,842.21
  5. Step 5: Solve for x
    x = 116,143,117,842.21/377,776.23
  6. Step 6: Final answer
    x = 307,438.92

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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.