Home / 804,041.91-1,109,599.54-455,155.25

Finding the Fourth Proportional to 804,041.91, 1,109,599.54 and 455,155.25

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Solution

The fourth proportional to 804,041.91, 1,109,599.54 and 455,155.25 is: 628,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,041.91 : 1,109,599.54 = 455,155.25 : x
  2. Step 2: Convert to fraction form
    804,041.91/1,109,599.54 = 455,155.25/x
  3. Step 3: Cross multiply
    804,041.91x = 1,109,599.54 × 455,155.25
  4. Step 4: Simplify right side
    804,041.91x = 505,040,049,342.70
  5. Step 5: Solve for x
    x = 505,040,049,342.70/804,041.91
  6. Step 6: Final answer
    x = 628,126.52

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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.