Home / 740,041.20-1,110,061.80-629,816.40

Finding the Fourth Proportional to 740,041.20, 1,110,061.80 and 629,816.40

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Solution

The fourth proportional to 740,041.20, 1,110,061.80 and 629,816.40 is: 944,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,041.20 : 1,110,061.80 = 629,816.40 : x
  2. Step 2: Convert to fraction form
    740,041.20/1,110,061.80 = 629,816.40/x
  3. Step 3: Cross multiply
    740,041.20x = 1,110,061.80 × 629,816.40
  4. Step 4: Simplify right side
    740,041.20x = 699,135,126,653.52
  5. Step 5: Solve for x
    x = 699,135,126,653.52/740,041.20
  6. Step 6: Final answer
    x = 944,724.60

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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.