Home / 741,587.76-1,023,314.52-455,119.92

Finding the Fourth Proportional to 741,587.76, 1,023,314.52 and 455,119.92

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Solution

The fourth proportional to 741,587.76, 1,023,314.52 and 455,119.92 is: 628,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,587.76 : 1,023,314.52 = 455,119.92 : x
  2. Step 2: Convert to fraction form
    741,587.76/1,023,314.52 = 455,119.92/x
  3. Step 3: Cross multiply
    741,587.76x = 1,023,314.52 × 455,119.92
  4. Step 4: Simplify right side
    741,587.76x = 465,730,822,477.24
  5. Step 5: Solve for x
    x = 465,730,822,477.24/741,587.76
  6. Step 6: Final answer
    x = 628,018.49

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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.