Home / 1,516,126.31-2,092,261.50-827,812.11

Finding the Fourth Proportional to 1,516,126.31, 2,092,261.50 and 827,812.11

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Solution

The fourth proportional to 1,516,126.31, 2,092,261.50 and 827,812.11 is: 1,142,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,126.31 : 2,092,261.50 = 827,812.11 : x
  2. Step 2: Convert to fraction form
    1,516,126.31/2,092,261.50 = 827,812.11/x
  3. Step 3: Cross multiply
    1,516,126.31x = 2,092,261.50 × 827,812.11
  4. Step 4: Simplify right side
    1,516,126.31x = 1,731,999,406,986.77
  5. Step 5: Solve for x
    x = 1,731,999,406,986.77/1,516,126.31
  6. Step 6: Final answer
    x = 1,142,384.64

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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.