Home / 1,140,378.06-1,573,898.39-650,348.61

Finding the Fourth Proportional to 1,140,378.06, 1,573,898.39 and 650,348.61

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Solution

The fourth proportional to 1,140,378.06, 1,573,898.39 and 650,348.61 is: 897,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,378.06 : 1,573,898.39 = 650,348.61 : x
  2. Step 2: Convert to fraction form
    1,140,378.06/1,573,898.39 = 650,348.61/x
  3. Step 3: Cross multiply
    1,140,378.06x = 1,573,898.39 × 650,348.61
  4. Step 4: Simplify right side
    1,140,378.06x = 1,023,582,626,965.99
  5. Step 5: Solve for x
    x = 1,023,582,626,965.99/1,140,378.06
  6. Step 6: Final answer
    x = 897,581.83

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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.