Home / 749,132.64-1,033,803.02-409,600.88

Finding the Fourth Proportional to 749,132.64, 1,033,803.02 and 409,600.88

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Solution

The fourth proportional to 749,132.64, 1,033,803.02 and 409,600.88 is: 565,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,132.64 : 1,033,803.02 = 409,600.88 : x
  2. Step 2: Convert to fraction form
    749,132.64/1,033,803.02 = 409,600.88/x
  3. Step 3: Cross multiply
    749,132.64x = 1,033,803.02 × 409,600.88
  4. Step 4: Simplify right side
    749,132.64x = 423,446,626,738.66
  5. Step 5: Solve for x
    x = 423,446,626,738.66/749,132.64
  6. Step 6: Final answer
    x = 565,249.20

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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.