Home / 583,412.25-875,118.38-189,428.25

Finding the Fourth Proportional to 583,412.25, 875,118.38 and 189,428.25

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Solution

The fourth proportional to 583,412.25, 875,118.38 and 189,428.25 is: 284,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,412.25 : 875,118.38 = 189,428.25 : x
  2. Step 2: Convert to fraction form
    583,412.25/875,118.38 = 189,428.25/x
  3. Step 3: Cross multiply
    583,412.25x = 875,118.38 × 189,428.25
  4. Step 4: Simplify right side
    583,412.25x = 165,772,142,319.09
  5. Step 5: Solve for x
    x = 165,772,142,319.09/583,412.25
  6. Step 6: Final answer
    x = 284,142.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.