Home / 1,116,918-1,541,230.20-633,328.56

Finding the Fourth Proportional to 1,116,918, 1,541,230.20 and 633,328.56

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Solution

The fourth proportional to 1,116,918, 1,541,230.20 and 633,328.56 is: 873,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,918 : 1,541,230.20 = 633,328.56 : x
  2. Step 2: Convert to fraction form
    1,116,918/1,541,230.20 = 633,328.56/x
  3. Step 3: Cross multiply
    1,116,918x = 1,541,230.20 × 633,328.56
  4. Step 4: Simplify right side
    1,116,918x = 976,105,103,194.51
  5. Step 5: Solve for x
    x = 976,105,103,194.51/1,116,918
  6. Step 6: Final answer
    x = 873,927.27

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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.