Home / 1,219,887.55-1,683,424.25-676,022.23

Finding the Fourth Proportional to 1,219,887.55, 1,683,424.25 and 676,022.23

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Solution

The fourth proportional to 1,219,887.55, 1,683,424.25 and 676,022.23 is: 932,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,887.55 : 1,683,424.25 = 676,022.23 : x
  2. Step 2: Convert to fraction form
    1,219,887.55/1,683,424.25 = 676,022.23/x
  3. Step 3: Cross multiply
    1,219,887.55x = 1,683,424.25 × 676,022.23
  4. Step 4: Simplify right side
    1,219,887.55x = 1,138,032,215,521.08
  5. Step 5: Solve for x
    x = 1,138,032,215,521.08/1,219,887.55
  6. Step 6: Final answer
    x = 932,899.28

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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.