Home / 1,533,306.40-2,115,965.04-854,266.72

Finding the Fourth Proportional to 1,533,306.40, 2,115,965.04 and 854,266.72

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Solution

The fourth proportional to 1,533,306.40, 2,115,965.04 and 854,266.72 is: 1,178,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,306.40 : 2,115,965.04 = 854,266.72 : x
  2. Step 2: Convert to fraction form
    1,533,306.40/2,115,965.04 = 854,266.72/x
  3. Step 3: Cross multiply
    1,533,306.40x = 2,115,965.04 × 854,266.72
  4. Step 4: Simplify right side
    1,533,306.40x = 1,807,598,514,355.47
  5. Step 5: Solve for x
    x = 1,807,598,514,355.47/1,533,306.40
  6. Step 6: Final answer
    x = 1,178,889.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.