Home / 351,865.08-485,575.56-339,151.32

Finding the Fourth Proportional to 351,865.08, 485,575.56 and 339,151.32

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Solution

The fourth proportional to 351,865.08, 485,575.56 and 339,151.32 is: 468,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,865.08 : 485,575.56 = 339,151.32 : x
  2. Step 2: Convert to fraction form
    351,865.08/485,575.56 = 339,151.32/x
  3. Step 3: Cross multiply
    351,865.08x = 485,575.56 × 339,151.32
  4. Step 4: Simplify right side
    351,865.08x = 164,683,592,133.74
  5. Step 5: Solve for x
    x = 164,683,592,133.74/351,865.08
  6. Step 6: Final answer
    x = 468,030.51

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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.