Home / 865,887.90-1,194,962.21-483,914.67

Finding the Fourth Proportional to 865,887.90, 1,194,962.21 and 483,914.67

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Solution

The fourth proportional to 865,887.90, 1,194,962.21 and 483,914.67 is: 667,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,887.90 : 1,194,962.21 = 483,914.67 : x
  2. Step 2: Convert to fraction form
    865,887.90/1,194,962.21 = 483,914.67/x
  3. Step 3: Cross multiply
    865,887.90x = 1,194,962.21 × 483,914.67
  4. Step 4: Simplify right side
    865,887.90x = 578,259,741,095.05
  5. Step 5: Solve for x
    x = 578,259,741,095.05/865,887.90
  6. Step 6: Final answer
    x = 667,822.87

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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.