Home / 1,277,598.55-1,916,662.32-519,440.13

Finding the Fourth Proportional to 1,277,598.55, 1,916,662.32 and 519,440.13

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Solution

The fourth proportional to 1,277,598.55, 1,916,662.32 and 519,440.13 is: 779,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,598.55 : 1,916,662.32 = 519,440.13 : x
  2. Step 2: Convert to fraction form
    1,277,598.55/1,916,662.32 = 519,440.13/x
  3. Step 3: Cross multiply
    1,277,598.55x = 1,916,662.32 × 519,440.13
  4. Step 4: Simplify right side
    1,277,598.55x = 995,591,331,854.39
  5. Step 5: Solve for x
    x = 995,591,331,854.39/1,277,598.55
  6. Step 6: Final answer
    x = 779,267.74

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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.