Home / 756,015.42-1,041,865.80-540,781.80

Finding the Fourth Proportional to 756,015.42, 1,041,865.80 and 540,781.80

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Solution

The fourth proportional to 756,015.42, 1,041,865.80 and 540,781.80 is: 745,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,015.42 : 1,041,865.80 = 540,781.80 : x
  2. Step 2: Convert to fraction form
    756,015.42/1,041,865.80 = 540,781.80/x
  3. Step 3: Cross multiply
    756,015.42x = 1,041,865.80 × 540,781.80
  4. Step 4: Simplify right side
    756,015.42x = 563,422,062,682.44
  5. Step 5: Solve for x
    x = 563,422,062,682.44/756,015.42
  6. Step 6: Final answer
    x = 745,252.08

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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.