Home / 1,530,146.03-2,111,601.48-841,803.09

Finding the Fourth Proportional to 1,530,146.03, 2,111,601.48 and 841,803.09

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Solution

The fourth proportional to 1,530,146.03, 2,111,601.48 and 841,803.09 is: 1,161,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,146.03 : 2,111,601.48 = 841,803.09 : x
  2. Step 2: Convert to fraction form
    1,530,146.03/2,111,601.48 = 841,803.09/x
  3. Step 3: Cross multiply
    1,530,146.03x = 2,111,601.48 × 841,803.09
  4. Step 4: Simplify right side
    1,530,146.03x = 1,777,552,650,712.57
  5. Step 5: Solve for x
    x = 1,777,552,650,712.57/1,530,146.03
  6. Step 6: Final answer
    x = 1,161,688.25

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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.