Home / 1,189,307.30-1,784,233.35-515,501.70

Finding the Fourth Proportional to 1,189,307.30, 1,784,233.35 and 515,501.70

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Solution

The fourth proportional to 1,189,307.30, 1,784,233.35 and 515,501.70 is: 773,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,307.30 : 1,784,233.35 = 515,501.70 : x
  2. Step 2: Convert to fraction form
    1,189,307.30/1,784,233.35 = 515,501.70/x
  3. Step 3: Cross multiply
    1,189,307.30x = 1,784,233.35 × 515,501.70
  4. Step 4: Simplify right side
    1,189,307.30x = 919,775,325,121.70
  5. Step 5: Solve for x
    x = 919,775,325,121.70/1,189,307.30
  6. Step 6: Final answer
    x = 773,370.62

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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.