Home / 1,869,073.61-2,803,570.19-521,200.33

Finding the Fourth Proportional to 1,869,073.61, 2,803,570.19 and 521,200.33

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Solution

The fourth proportional to 1,869,073.61, 2,803,570.19 and 521,200.33 is: 781,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,073.61 : 2,803,570.19 = 521,200.33 : x
  2. Step 2: Convert to fraction form
    1,869,073.61/2,803,570.19 = 521,200.33/x
  3. Step 3: Cross multiply
    1,869,073.61x = 2,803,570.19 × 521,200.33
  4. Step 4: Simplify right side
    1,869,073.61x = 1,461,221,712,609.09
  5. Step 5: Solve for x
    x = 1,461,221,712,609.09/1,869,073.61
  6. Step 6: Final answer
    x = 781,789.28

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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.