Home / 741,602.93-1,023,383.63-419,319.77

Finding the Fourth Proportional to 741,602.93, 1,023,383.63 and 419,319.77

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Solution

The fourth proportional to 741,602.93, 1,023,383.63 and 419,319.77 is: 578,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,602.93 : 1,023,383.63 = 419,319.77 : x
  2. Step 2: Convert to fraction form
    741,602.93/1,023,383.63 = 419,319.77/x
  3. Step 3: Cross multiply
    741,602.93x = 1,023,383.63 × 419,319.77
  4. Step 4: Simplify right side
    741,602.93x = 429,124,981,139.85
  5. Step 5: Solve for x
    x = 429,124,981,139.85/741,602.93
  6. Step 6: Final answer
    x = 578,645.21

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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.