Home / 721,585.92-995,130.72-619,579.44

Finding the Fourth Proportional to 721,585.92, 995,130.72 and 619,579.44

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Solution

The fourth proportional to 721,585.92, 995,130.72 and 619,579.44 is: 854,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,585.92 : 995,130.72 = 619,579.44 : x
  2. Step 2: Convert to fraction form
    721,585.92/995,130.72 = 619,579.44/x
  3. Step 3: Cross multiply
    721,585.92x = 995,130.72 × 619,579.44
  4. Step 4: Simplify right side
    721,585.92x = 616,562,534,224.40
  5. Step 5: Solve for x
    x = 616,562,534,224.40/721,585.92
  6. Step 6: Final answer
    x = 854,454.77

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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.