Home / 868,969.18-1,199,111.34-486,922.14

Finding the Fourth Proportional to 868,969.18, 1,199,111.34 and 486,922.14

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Solution

The fourth proportional to 868,969.18, 1,199,111.34 and 486,922.14 is: 671,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,969.18 : 1,199,111.34 = 486,922.14 : x
  2. Step 2: Convert to fraction form
    868,969.18/1,199,111.34 = 486,922.14/x
  3. Step 3: Cross multiply
    868,969.18x = 1,199,111.34 × 486,922.14
  4. Step 4: Simplify right side
    868,969.18x = 583,873,859,771.07
  5. Step 5: Solve for x
    x = 583,873,859,771.07/868,969.18
  6. Step 6: Final answer
    x = 671,915.50

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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.