Home / 975,023.40-1,345,600.44-545,343.24

Finding the Fourth Proportional to 975,023.40, 1,345,600.44 and 545,343.24

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Solution

The fourth proportional to 975,023.40, 1,345,600.44 and 545,343.24 is: 752,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,023.40 : 1,345,600.44 = 545,343.24 : x
  2. Step 2: Convert to fraction form
    975,023.40/1,345,600.44 = 545,343.24/x
  3. Step 3: Cross multiply
    975,023.40x = 1,345,600.44 × 545,343.24
  4. Step 4: Simplify right side
    975,023.40x = 733,814,103,695.03
  5. Step 5: Solve for x
    x = 733,814,103,695.03/975,023.40
  6. Step 6: Final answer
    x = 752,611.79

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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.