Home / 868,865.27-1,199,022.50-486,899.51

Finding the Fourth Proportional to 868,865.27, 1,199,022.50 and 486,899.51

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Solution

The fourth proportional to 868,865.27, 1,199,022.50 and 486,899.51 is: 671,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,865.27 : 1,199,022.50 = 486,899.51 : x
  2. Step 2: Convert to fraction form
    868,865.27/1,199,022.50 = 486,899.51/x
  3. Step 3: Cross multiply
    868,865.27x = 1,199,022.50 × 486,899.51
  4. Step 4: Simplify right side
    868,865.27x = 583,803,465,294.48
  5. Step 5: Solve for x
    x = 583,803,465,294.48/868,865.27
  6. Step 6: Final answer
    x = 671,914.84

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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.