Home / 1,219,807.72-1,683,344.54-675,952.60

Finding the Fourth Proportional to 1,219,807.72, 1,683,344.54 and 675,952.60

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Solution

The fourth proportional to 1,219,807.72, 1,683,344.54 and 675,952.60 is: 932,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,807.72 : 1,683,344.54 = 675,952.60 : x
  2. Step 2: Convert to fraction form
    1,219,807.72/1,683,344.54 = 675,952.60/x
  3. Step 3: Cross multiply
    1,219,807.72x = 1,683,344.54 × 675,952.60
  4. Step 4: Simplify right side
    1,219,807.72x = 1,137,861,118,508.80
  5. Step 5: Solve for x
    x = 1,137,861,118,508.80/1,219,807.72
  6. Step 6: Final answer
    x = 932,820.07

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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.