Home / 572,543.20-858,814.80-404,581.60

Finding the Fourth Proportional to 572,543.20, 858,814.80 and 404,581.60

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Solution

The fourth proportional to 572,543.20, 858,814.80 and 404,581.60 is: 606,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,543.20 : 858,814.80 = 404,581.60 : x
  2. Step 2: Convert to fraction form
    572,543.20/858,814.80 = 404,581.60/x
  3. Step 3: Cross multiply
    572,543.20x = 858,814.80 × 404,581.60
  4. Step 4: Simplify right side
    572,543.20x = 347,460,665,887.68
  5. Step 5: Solve for x
    x = 347,460,665,887.68/572,543.20
  6. Step 6: Final answer
    x = 606,872.40

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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.