Home / 790,607.26-1,186,132.60-317,624.76

Finding the Fourth Proportional to 790,607.26, 1,186,132.60 and 317,624.76

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Solution

The fourth proportional to 790,607.26, 1,186,132.60 and 317,624.76 is: 476,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,607.26 : 1,186,132.60 = 317,624.76 : x
  2. Step 2: Convert to fraction form
    790,607.26/1,186,132.60 = 317,624.76/x
  3. Step 3: Cross multiply
    790,607.26x = 1,186,132.60 × 317,624.76
  4. Step 4: Simplify right side
    790,607.26x = 376,745,082,403.18
  5. Step 5: Solve for x
    x = 376,745,082,403.18/790,607.26
  6. Step 6: Final answer
    x = 476,526.21

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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.