Home / 886,700.61-1,221,069.56-770,360.27

Finding the Fourth Proportional to 886,700.61, 1,221,069.56 and 770,360.27

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Solution

The fourth proportional to 886,700.61, 1,221,069.56 and 770,360.27 is: 1,060,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,700.61 : 1,221,069.56 = 770,360.27 : x
  2. Step 2: Convert to fraction form
    886,700.61/1,221,069.56 = 770,360.27/x
  3. Step 3: Cross multiply
    886,700.61x = 1,221,069.56 × 770,360.27
  4. Step 4: Simplify right side
    886,700.61x = 940,663,465,973.23
  5. Step 5: Solve for x
    x = 940,663,465,973.23/886,700.61
  6. Step 6: Final answer
    x = 1,060,858.03

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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.