Home / 868,099.77-1,197,682.16-505,446.87

Finding the Fourth Proportional to 868,099.77, 1,197,682.16 and 505,446.87

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Solution

The fourth proportional to 868,099.77, 1,197,682.16 and 505,446.87 is: 697,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,099.77 : 1,197,682.16 = 505,446.87 : x
  2. Step 2: Convert to fraction form
    868,099.77/1,197,682.16 = 505,446.87/x
  3. Step 3: Cross multiply
    868,099.77x = 1,197,682.16 × 505,446.87
  4. Step 4: Simplify right side
    868,099.77x = 605,364,699,026.84
  5. Step 5: Solve for x
    x = 605,364,699,026.84/868,099.77
  6. Step 6: Final answer
    x = 697,344.61

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1.5x scale

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.