Home / 873,803.30-1,205,771.72-486,589.46

Finding the Fourth Proportional to 873,803.30, 1,205,771.72 and 486,589.46

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Solution

The fourth proportional to 873,803.30, 1,205,771.72 and 486,589.46 is: 671,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,803.30 : 1,205,771.72 = 486,589.46 : x
  2. Step 2: Convert to fraction form
    873,803.30/1,205,771.72 = 486,589.46/x
  3. Step 3: Cross multiply
    873,803.30x = 1,205,771.72 × 486,589.46
  4. Step 4: Simplify right side
    873,803.30x = 586,715,801,656.27
  5. Step 5: Solve for x
    x = 586,715,801,656.27/873,803.30
  6. Step 6: Final answer
    x = 671,450.66

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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.