Home / 1,869,094.56-2,803,601.40-521,221.20

Finding the Fourth Proportional to 1,869,094.56, 2,803,601.40 and 521,221.20

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Solution

The fourth proportional to 1,869,094.56, 2,803,601.40 and 521,221.20 is: 781,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,094.56 : 2,803,601.40 = 521,221.20 : x
  2. Step 2: Convert to fraction form
    1,869,094.56/2,803,601.40 = 521,221.20/x
  3. Step 3: Cross multiply
    1,869,094.56x = 2,803,601.40 × 521,221.20
  4. Step 4: Simplify right side
    1,869,094.56x = 1,461,296,486,029.68
  5. Step 5: Solve for x
    x = 1,461,296,486,029.68/1,869,094.56
  6. Step 6: Final answer
    x = 781,820.52

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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.