Home / 1,212,127.83-1,672,365.73-702,728.55

Finding the Fourth Proportional to 1,212,127.83, 1,672,365.73 and 702,728.55

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Solution

The fourth proportional to 1,212,127.83, 1,672,365.73 and 702,728.55 is: 969,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,127.83 : 1,672,365.73 = 702,728.55 : x
  2. Step 2: Convert to fraction form
    1,212,127.83/1,672,365.73 = 702,728.55/x
  3. Step 3: Cross multiply
    1,212,127.83x = 1,672,365.73 × 702,728.55
  4. Step 4: Simplify right side
    1,212,127.83x = 1,175,219,144,512.59
  5. Step 5: Solve for x
    x = 1,175,219,144,512.59/1,212,127.83
  6. Step 6: Final answer
    x = 969,550.50

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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.