Home / 377,228.34-520,586.01-207,473.40

Finding the Fourth Proportional to 377,228.34, 520,586.01 and 207,473.40

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Solution

The fourth proportional to 377,228.34, 520,586.01 and 207,473.40 is: 286,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,228.34 : 520,586.01 = 207,473.40 : x
  2. Step 2: Convert to fraction form
    377,228.34/520,586.01 = 207,473.40/x
  3. Step 3: Cross multiply
    377,228.34x = 520,586.01 × 207,473.40
  4. Step 4: Simplify right side
    377,228.34x = 108,007,749,487.13
  5. Step 5: Solve for x
    x = 108,007,749,487.13/377,228.34
  6. Step 6: Final answer
    x = 286,319.29

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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.