Home / 865,741.40-1,194,700.20-483,771.32

Finding the Fourth Proportional to 865,741.40, 1,194,700.20 and 483,771.32

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Solution

The fourth proportional to 865,741.40, 1,194,700.20 and 483,771.32 is: 667,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,741.40 : 1,194,700.20 = 483,771.32 : x
  2. Step 2: Convert to fraction form
    865,741.40/1,194,700.20 = 483,771.32/x
  3. Step 3: Cross multiply
    865,741.40x = 1,194,700.20 × 483,771.32
  4. Step 4: Simplify right side
    865,741.40x = 577,961,686,784.76
  5. Step 5: Solve for x
    x = 577,961,686,784.76/865,741.40
  6. Step 6: Final answer
    x = 667,591.60

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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.