Home / 780,092.84-1,170,510.36-540,575.33

Finding the Fourth Proportional to 780,092.84, 1,170,510.36 and 540,575.33

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Solution

The fourth proportional to 780,092.84, 1,170,510.36 and 540,575.33 is: 811,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,092.84 : 1,170,510.36 = 540,575.33 : x
  2. Step 2: Convert to fraction form
    780,092.84/1,170,510.36 = 540,575.33/x
  3. Step 3: Cross multiply
    780,092.84x = 1,170,510.36 × 540,575.33
  4. Step 4: Simplify right side
    780,092.84x = 632,749,025,870.57
  5. Step 5: Solve for x
    x = 632,749,025,870.57/780,092.84
  6. Step 6: Final answer
    x = 811,120.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.