Home / 319,040.35-440,284.94-175,809.63

Finding the Fourth Proportional to 319,040.35, 440,284.94 and 175,809.63

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Solution

The fourth proportional to 319,040.35, 440,284.94 and 175,809.63 is: 242,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,040.35 : 440,284.94 = 175,809.63 : x
  2. Step 2: Convert to fraction form
    319,040.35/440,284.94 = 175,809.63/x
  3. Step 3: Cross multiply
    319,040.35x = 440,284.94 × 175,809.63
  4. Step 4: Simplify right side
    319,040.35x = 77,406,332,835.50
  5. Step 5: Solve for x
    x = 77,406,332,835.50/319,040.35
  6. Step 6: Final answer
    x = 242,622.39

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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.