Home / 785,473.58-1,178,186.88-216,889.22

Finding the Fourth Proportional to 785,473.58, 1,178,186.88 and 216,889.22

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Solution

The fourth proportional to 785,473.58, 1,178,186.88 and 216,889.22 is: 325,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,473.58 : 1,178,186.88 = 216,889.22 : x
  2. Step 2: Convert to fraction form
    785,473.58/1,178,186.88 = 216,889.22/x
  3. Step 3: Cross multiply
    785,473.58x = 1,178,186.88 × 216,889.22
  4. Step 4: Simplify right side
    785,473.58x = 255,536,033,417.43
  5. Step 5: Solve for x
    x = 255,536,033,417.43/785,473.58
  6. Step 6: Final answer
    x = 325,327.34

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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.