Home / 843,111.70-1,163,521.94-461,138.45

Finding the Fourth Proportional to 843,111.70, 1,163,521.94 and 461,138.45

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Solution

The fourth proportional to 843,111.70, 1,163,521.94 and 461,138.45 is: 636,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,111.70 : 1,163,521.94 = 461,138.45 : x
  2. Step 2: Convert to fraction form
    843,111.70/1,163,521.94 = 461,138.45/x
  3. Step 3: Cross multiply
    843,111.70x = 1,163,521.94 × 461,138.45
  4. Step 4: Simplify right side
    843,111.70x = 536,544,695,829.29
  5. Step 5: Solve for x
    x = 536,544,695,829.29/843,111.70
  6. Step 6: Final answer
    x = 636,386.26

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1.5x scale

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.