Home / 1,364,690-1,882,663.48-791,398.19

Finding the Fourth Proportional to 1,364,690, 1,882,663.48 and 791,398.19

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Solution

The fourth proportional to 1,364,690, 1,882,663.48 and 791,398.19 is: 1,091,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,690 : 1,882,663.48 = 791,398.19 : x
  2. Step 2: Convert to fraction form
    1,364,690/1,882,663.48 = 791,398.19/x
  3. Step 3: Cross multiply
    1,364,690x = 1,882,663.48 × 791,398.19
  4. Step 4: Simplify right side
    1,364,690x = 1,489,936,470,451.10
  5. Step 5: Solve for x
    x = 1,489,936,470,451.10/1,364,690
  6. Step 6: Final answer
    x = 1,091,776.50

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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.