Home / 1,223,603.32-1,684,380.54-1,061,503.96

Finding the Fourth Proportional to 1,223,603.32, 1,684,380.54 and 1,061,503.96

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Solution

The fourth proportional to 1,223,603.32, 1,684,380.54 and 1,061,503.96 is: 1,461,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,603.32 : 1,684,380.54 = 1,061,503.96 : x
  2. Step 2: Convert to fraction form
    1,223,603.32/1,684,380.54 = 1,061,503.96/x
  3. Step 3: Cross multiply
    1,223,603.32x = 1,684,380.54 × 1,061,503.96
  4. Step 4: Simplify right side
    1,223,603.32x = 1,787,976,613,356.94
  5. Step 5: Solve for x
    x = 1,787,976,613,356.94/1,223,603.32
  6. Step 6: Final answer
    x = 1,461,238.77

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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.