Home / 1,163,276.61-1,605,298.70-647,019.39

Finding the Fourth Proportional to 1,163,276.61, 1,605,298.70 and 647,019.39

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Solution

The fourth proportional to 1,163,276.61, 1,605,298.70 and 647,019.39 is: 892,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,276.61 : 1,605,298.70 = 647,019.39 : x
  2. Step 2: Convert to fraction form
    1,163,276.61/1,605,298.70 = 647,019.39/x
  3. Step 3: Cross multiply
    1,163,276.61x = 1,605,298.70 × 647,019.39
  4. Step 4: Simplify right side
    1,163,276.61x = 1,038,659,393,279.21
  5. Step 5: Solve for x
    x = 1,038,659,393,279.21/1,163,276.61
  6. Step 6: Final answer
    x = 892,873.96

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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.