Home / 1,245,693.95-1,868,742.19-526,143.83

Finding the Fourth Proportional to 1,245,693.95, 1,868,742.19 and 526,143.83

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Solution

The fourth proportional to 1,245,693.95, 1,868,742.19 and 526,143.83 is: 789,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,693.95 : 1,868,742.19 = 526,143.83 : x
  2. Step 2: Convert to fraction form
    1,245,693.95/1,868,742.19 = 526,143.83/x
  3. Step 3: Cross multiply
    1,245,693.95x = 1,868,742.19 × 526,143.83
  4. Step 4: Simplify right side
    1,245,693.95x = 983,227,175,363.06
  5. Step 5: Solve for x
    x = 983,227,175,363.06/1,245,693.95
  6. Step 6: Final answer
    x = 789,300.75

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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.