Home / 1,717,999.90-2,577,291.45-519,912.70

Finding the Fourth Proportional to 1,717,999.90, 2,577,291.45 and 519,912.70

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Solution

The fourth proportional to 1,717,999.90, 2,577,291.45 and 519,912.70 is: 779,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,999.90 : 2,577,291.45 = 519,912.70 : x
  2. Step 2: Convert to fraction form
    1,717,999.90/2,577,291.45 = 519,912.70/x
  3. Step 3: Cross multiply
    1,717,999.90x = 2,577,291.45 × 519,912.70
  4. Step 4: Simplify right side
    1,717,999.90x = 1,339,966,556,456.42
  5. Step 5: Solve for x
    x = 1,339,966,556,456.42/1,717,999.90
  6. Step 6: Final answer
    x = 779,957.30

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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.