Home / 1,111,462.54-1,533,908.37-628,127.94

Finding the Fourth Proportional to 1,111,462.54, 1,533,908.37 and 628,127.94

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Solution

The fourth proportional to 1,111,462.54, 1,533,908.37 and 628,127.94 is: 866,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,462.54 : 1,533,908.37 = 628,127.94 : x
  2. Step 2: Convert to fraction form
    1,111,462.54/1,533,908.37 = 628,127.94/x
  3. Step 3: Cross multiply
    1,111,462.54x = 1,533,908.37 × 628,127.94
  4. Step 4: Simplify right side
    1,111,462.54x = 963,490,704,596.86
  5. Step 5: Solve for x
    x = 963,490,704,596.86/1,111,462.54
  6. Step 6: Final answer
    x = 866,867.46

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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.