Home / 1,530,006.66-2,111,460.36-841,757.76

Finding the Fourth Proportional to 1,530,006.66, 2,111,460.36 and 841,757.76

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Solution

The fourth proportional to 1,530,006.66, 2,111,460.36 and 841,757.76 is: 1,161,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,006.66 : 2,111,460.36 = 841,757.76 : x
  2. Step 2: Convert to fraction form
    1,530,006.66/2,111,460.36 = 841,757.76/x
  3. Step 3: Cross multiply
    1,530,006.66x = 2,111,460.36 × 841,757.76
  4. Step 4: Simplify right side
    1,530,006.66x = 1,777,338,142,962.39
  5. Step 5: Solve for x
    x = 1,777,338,142,962.39/1,530,006.66
  6. Step 6: Final answer
    x = 1,161,653.86

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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.