Home / 1,111,552.74-1,533,922.64-628,107.48

Finding the Fourth Proportional to 1,111,552.74, 1,533,922.64 and 628,107.48

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Solution

The fourth proportional to 1,111,552.74, 1,533,922.64 and 628,107.48 is: 866,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,552.74 : 1,533,922.64 = 628,107.48 : x
  2. Step 2: Convert to fraction form
    1,111,552.74/1,533,922.64 = 628,107.48/x
  3. Step 3: Cross multiply
    1,111,552.74x = 1,533,922.64 × 628,107.48
  4. Step 4: Simplify right side
    1,111,552.74x = 963,468,280,784.81
  5. Step 5: Solve for x
    x = 963,468,280,784.81/1,111,552.74
  6. Step 6: Final answer
    x = 866,776.94

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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.