Home / 631,580.64-871,581.51-341,192.31

Finding the Fourth Proportional to 631,580.64, 871,581.51 and 341,192.31

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Solution

The fourth proportional to 631,580.64, 871,581.51 and 341,192.31 is: 470,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,580.64 : 871,581.51 = 341,192.31 : x
  2. Step 2: Convert to fraction form
    631,580.64/871,581.51 = 341,192.31/x
  3. Step 3: Cross multiply
    631,580.64x = 871,581.51 × 341,192.31
  4. Step 4: Simplify right side
    631,580.64x = 297,376,908,750.19
  5. Step 5: Solve for x
    x = 297,376,908,750.19/631,580.64
  6. Step 6: Final answer
    x = 470,845.51

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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.