Home / 581,130.72-801,917.28-326,524.32

Finding the Fourth Proportional to 581,130.72, 801,917.28 and 326,524.32

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Solution

The fourth proportional to 581,130.72, 801,917.28 and 326,524.32 is: 450,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,130.72 : 801,917.28 = 326,524.32 : x
  2. Step 2: Convert to fraction form
    581,130.72/801,917.28 = 326,524.32/x
  3. Step 3: Cross multiply
    581,130.72x = 801,917.28 × 326,524.32
  4. Step 4: Simplify right side
    581,130.72x = 261,845,494,548.25
  5. Step 5: Solve for x
    x = 261,845,494,548.25/581,130.72
  6. Step 6: Final answer
    x = 450,579.34

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Double scale
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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.