Home / 628,473.08-867,298.38-580,849.40

Finding the Fourth Proportional to 628,473.08, 867,298.38 and 580,849.40

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Solution

The fourth proportional to 628,473.08, 867,298.38 and 580,849.40 is: 801,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,473.08 : 867,298.38 = 580,849.40 : x
  2. Step 2: Convert to fraction form
    628,473.08/867,298.38 = 580,849.40/x
  3. Step 3: Cross multiply
    628,473.08x = 867,298.38 × 580,849.40
  4. Step 4: Simplify right side
    628,473.08x = 503,769,743,643.97
  5. Step 5: Solve for x
    x = 503,769,743,643.97/628,473.08
  6. Step 6: Final answer
    x = 801,577.28

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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.