Home / 572,581.40-858,872.10-520,093.40

Finding the Fourth Proportional to 572,581.40, 858,872.10 and 520,093.40

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Solution

The fourth proportional to 572,581.40, 858,872.10 and 520,093.40 is: 780,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,581.40 : 858,872.10 = 520,093.40 : x
  2. Step 2: Convert to fraction form
    572,581.40/858,872.10 = 520,093.40/x
  3. Step 3: Cross multiply
    572,581.40x = 858,872.10 × 520,093.40
  4. Step 4: Simplify right side
    572,581.40x = 446,693,710,654.14
  5. Step 5: Solve for x
    x = 446,693,710,654.14/572,581.40
  6. Step 6: Final answer
    x = 780,140.10

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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.