Home / 1,142,683.92-1,712,549.62-543,828.64

Finding the Fourth Proportional to 1,142,683.92, 1,712,549.62 and 543,828.64

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Solution

The fourth proportional to 1,142,683.92, 1,712,549.62 and 543,828.64 is: 815,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,683.92 : 1,712,549.62 = 543,828.64 : x
  2. Step 2: Convert to fraction form
    1,142,683.92/1,712,549.62 = 543,828.64/x
  3. Step 3: Cross multiply
    1,142,683.92x = 1,712,549.62 × 543,828.64
  4. Step 4: Simplify right side
    1,142,683.92x = 931,333,530,777.12
  5. Step 5: Solve for x
    x = 931,333,530,777.12/1,142,683.92
  6. Step 6: Final answer
    x = 815,040.38

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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.