Home / 1,281,677.09-1,922,936.51-524,155.64

Finding the Fourth Proportional to 1,281,677.09, 1,922,936.51 and 524,155.64

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Solution

The fourth proportional to 1,281,677.09, 1,922,936.51 and 524,155.64 is: 786,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,677.09 : 1,922,936.51 = 524,155.64 : x
  2. Step 2: Convert to fraction form
    1,281,677.09/1,922,936.51 = 524,155.64/x
  3. Step 3: Cross multiply
    1,281,677.09x = 1,922,936.51 × 524,155.64
  4. Step 4: Simplify right side
    1,281,677.09x = 1,007,918,005,825.75
  5. Step 5: Solve for x
    x = 1,007,918,005,825.75/1,281,677.09
  6. Step 6: Final answer
    x = 786,405.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.