Home / 790,980.58-1,186,461.96-191,948.32

Finding the Fourth Proportional to 790,980.58, 1,186,461.96 and 191,948.32

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Solution

The fourth proportional to 790,980.58, 1,186,461.96 and 191,948.32 is: 287,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,980.58 : 1,186,461.96 = 191,948.32 : x
  2. Step 2: Convert to fraction form
    790,980.58/1,186,461.96 = 191,948.32/x
  3. Step 3: Cross multiply
    790,980.58x = 1,186,461.96 × 191,948.32
  4. Step 4: Simplify right side
    790,980.58x = 227,739,379,965.91
  5. Step 5: Solve for x
    x = 227,739,379,965.91/790,980.58
  6. Step 6: Final answer
    x = 287,920.32

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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.