Home / 572,018.20-789,189.59-326,827.02

Finding the Fourth Proportional to 572,018.20, 789,189.59 and 326,827.02

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Solution

The fourth proportional to 572,018.20, 789,189.59 and 326,827.02 is: 450,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,018.20 : 789,189.59 = 326,827.02 : x
  2. Step 2: Convert to fraction form
    572,018.20/789,189.59 = 326,827.02/x
  3. Step 3: Cross multiply
    572,018.20x = 789,189.59 × 326,827.02
  4. Step 4: Simplify right side
    572,018.20x = 257,928,481,914.72
  5. Step 5: Solve for x
    x = 257,928,481,914.72/572,018.20
  6. Step 6: Final answer
    x = 450,909.57

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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.