Home / 1,277,587.01-1,916,380.51-519,250.80

Finding the Fourth Proportional to 1,277,587.01, 1,916,380.51 and 519,250.80

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Solution

The fourth proportional to 1,277,587.01, 1,916,380.51 and 519,250.80 is: 778,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,587.01 : 1,916,380.51 = 519,250.80 : x
  2. Step 2: Convert to fraction form
    1,277,587.01/1,916,380.51 = 519,250.80/x
  3. Step 3: Cross multiply
    1,277,587.01x = 1,916,380.51 × 519,250.80
  4. Step 4: Simplify right side
    1,277,587.01x = 995,082,111,623.78
  5. Step 5: Solve for x
    x = 995,082,111,623.78/1,277,587.01
  6. Step 6: Final answer
    x = 778,876.20

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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.