Home / 741,661.48-1,023,514.50-419,364.76

Finding the Fourth Proportional to 741,661.48, 1,023,514.50 and 419,364.76

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Solution

The fourth proportional to 741,661.48, 1,023,514.50 and 419,364.76 is: 578,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,661.48 : 1,023,514.50 = 419,364.76 : x
  2. Step 2: Convert to fraction form
    741,661.48/1,023,514.50 = 419,364.76/x
  3. Step 3: Cross multiply
    741,661.48x = 1,023,514.50 × 419,364.76
  4. Step 4: Simplify right side
    741,661.48x = 429,225,912,649.02
  5. Step 5: Solve for x
    x = 429,225,912,649.02/741,661.48
  6. Step 6: Final answer
    x = 578,735.61

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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.