Home / 877,361.96-1,210,552.01-509,620.58

Finding the Fourth Proportional to 877,361.96, 1,210,552.01 and 509,620.58

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Solution

The fourth proportional to 877,361.96, 1,210,552.01 and 509,620.58 is: 703,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,361.96 : 1,210,552.01 = 509,620.58 : x
  2. Step 2: Convert to fraction form
    877,361.96/1,210,552.01 = 509,620.58/x
  3. Step 3: Cross multiply
    877,361.96x = 1,210,552.01 × 509,620.58
  4. Step 4: Simplify right side
    877,361.96x = 616,922,217,456.37
  5. Step 5: Solve for x
    x = 616,922,217,456.37/877,361.96
  6. Step 6: Final answer
    x = 703,155.88

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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.