Home / 1,191,925.84-1,787,848.66-518,007.22

Finding the Fourth Proportional to 1,191,925.84, 1,787,848.66 and 518,007.22

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Solution

The fourth proportional to 1,191,925.84, 1,787,848.66 and 518,007.22 is: 776,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,925.84 : 1,787,848.66 = 518,007.22 : x
  2. Step 2: Convert to fraction form
    1,191,925.84/1,787,848.66 = 518,007.22/x
  3. Step 3: Cross multiply
    1,191,925.84x = 1,787,848.66 × 518,007.22
  4. Step 4: Simplify right side
    1,191,925.84x = 926,118,511,182.66
  5. Step 5: Solve for x
    x = 926,118,511,182.66/1,191,925.84
  6. Step 6: Final answer
    x = 776,993.40

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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.