Home / 740,113.08-1,021,380.78-453,577.80

Finding the Fourth Proportional to 740,113.08, 1,021,380.78 and 453,577.80

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Solution

The fourth proportional to 740,113.08, 1,021,380.78 and 453,577.80 is: 625,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,113.08 : 1,021,380.78 = 453,577.80 : x
  2. Step 2: Convert to fraction form
    740,113.08/1,021,380.78 = 453,577.80/x
  3. Step 3: Cross multiply
    740,113.08x = 1,021,380.78 × 453,577.80
  4. Step 4: Simplify right side
    740,113.08x = 463,275,647,154.68
  5. Step 5: Solve for x
    x = 463,275,647,154.68/740,113.08
  6. Step 6: Final answer
    x = 625,952.52

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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.