Home / 959,100.32-1,323,360.80-551,123.32

Finding the Fourth Proportional to 959,100.32, 1,323,360.80 and 551,123.32

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Solution

The fourth proportional to 959,100.32, 1,323,360.80 and 551,123.32 is: 760,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,100.32 : 1,323,360.80 = 551,123.32 : x
  2. Step 2: Convert to fraction form
    959,100.32/1,323,360.80 = 551,123.32/x
  3. Step 3: Cross multiply
    959,100.32x = 1,323,360.80 × 551,123.32
  4. Step 4: Simplify right side
    959,100.32x = 729,334,997,653.86
  5. Step 5: Solve for x
    x = 729,334,997,653.86/959,100.32
  6. Step 6: Final answer
    x = 760,436.61

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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.