Home / 319,856.32-479,739.84-175,807.36

Finding the Fourth Proportional to 319,856.32, 479,739.84 and 175,807.36

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Solution

The fourth proportional to 319,856.32, 479,739.84 and 175,807.36 is: 263,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,856.32 : 479,739.84 = 175,807.36 : x
  2. Step 2: Convert to fraction form
    319,856.32/479,739.84 = 175,807.36/x
  3. Step 3: Cross multiply
    319,856.32x = 479,739.84 × 175,807.36
  4. Step 4: Simplify right side
    319,856.32x = 84,341,794,757.22
  5. Step 5: Solve for x
    x = 84,341,794,757.22/319,856.32
  6. Step 6: Final answer
    x = 263,686.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.