Home / 868,706.57-1,198,814.26-486,736.08

Finding the Fourth Proportional to 868,706.57, 1,198,814.26 and 486,736.08

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Solution

The fourth proportional to 868,706.57, 1,198,814.26 and 486,736.08 is: 671,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,706.57 : 1,198,814.26 = 486,736.08 : x
  2. Step 2: Convert to fraction form
    868,706.57/1,198,814.26 = 486,736.08/x
  3. Step 3: Cross multiply
    868,706.57x = 1,198,814.26 × 486,736.08
  4. Step 4: Simplify right side
    868,706.57x = 583,506,153,560.50
  5. Step 5: Solve for x
    x = 583,506,153,560.50/868,706.57
  6. Step 6: Final answer
    x = 671,695.34

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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.