Home / 1,163,770.30-1,605,861.91-647,402.13

Finding the Fourth Proportional to 1,163,770.30, 1,605,861.91 and 647,402.13

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Solution

The fourth proportional to 1,163,770.30, 1,605,861.91 and 647,402.13 is: 893,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,770.30 : 1,605,861.91 = 647,402.13 : x
  2. Step 2: Convert to fraction form
    1,163,770.30/1,605,861.91 = 647,402.13/x
  3. Step 3: Cross multiply
    1,163,770.30x = 1,605,861.91 × 647,402.13
  4. Step 4: Simplify right side
    1,163,770.30x = 1,039,638,421,019.87
  5. Step 5: Solve for x
    x = 1,039,638,421,019.87/1,163,770.30
  6. Step 6: Final answer
    x = 893,336.44

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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.