Home / 631,572.18-871,569.78-341,183.82

Finding the Fourth Proportional to 631,572.18, 871,569.78 and 341,183.82

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Solution

The fourth proportional to 631,572.18, 871,569.78 and 341,183.82 is: 470,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,572.18 : 871,569.78 = 341,183.82 : x
  2. Step 2: Convert to fraction form
    631,572.18/871,569.78 = 341,183.82/x
  3. Step 3: Cross multiply
    631,572.18x = 871,569.78 × 341,183.82
  4. Step 4: Simplify right side
    631,572.18x = 297,365,506,936.96
  5. Step 5: Solve for x
    x = 297,365,506,936.96/631,572.18
  6. Step 6: Final answer
    x = 470,833.76

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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.