Home / 377,450.01-521,074.00-291,215.23

Finding the Fourth Proportional to 377,450.01, 521,074.00 and 291,215.23

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Solution

The fourth proportional to 377,450.01, 521,074.00 and 291,215.23 is: 402,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,450.01 : 521,074.00 = 291,215.23 : x
  2. Step 2: Convert to fraction form
    377,450.01/521,074.00 = 291,215.23/x
  3. Step 3: Cross multiply
    377,450.01x = 521,074.00 × 291,215.23
  4. Step 4: Simplify right side
    377,450.01x = 151,744,680,695.57
  5. Step 5: Solve for x
    x = 151,744,680,695.57/377,450.01
  6. Step 6: Final answer
    x = 402,025.91

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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.