Home / 913,881.92-1,260,988.97-526,643.04

Finding the Fourth Proportional to 913,881.92, 1,260,988.97 and 526,643.04

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Solution

The fourth proportional to 913,881.92, 1,260,988.97 and 526,643.04 is: 726,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,881.92 : 1,260,988.97 = 526,643.04 : x
  2. Step 2: Convert to fraction form
    913,881.92/1,260,988.97 = 526,643.04/x
  3. Step 3: Cross multiply
    913,881.92x = 1,260,988.97 × 526,643.04
  4. Step 4: Simplify right side
    913,881.92x = 664,091,064,567.27
  5. Step 5: Solve for x
    x = 664,091,064,567.27/913,881.92
  6. Step 6: Final answer
    x = 726,670.54

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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.