Home / 1,245,277.60-1,867,916.40-614,109.40

Finding the Fourth Proportional to 1,245,277.60, 1,867,916.40 and 614,109.40

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Solution

The fourth proportional to 1,245,277.60, 1,867,916.40 and 614,109.40 is: 921,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,277.60 : 1,867,916.40 = 614,109.40 : x
  2. Step 2: Convert to fraction form
    1,245,277.60/1,867,916.40 = 614,109.40/x
  3. Step 3: Cross multiply
    1,245,277.60x = 1,867,916.40 × 614,109.40
  4. Step 4: Simplify right side
    1,245,277.60x = 1,147,105,019,654.16
  5. Step 5: Solve for x
    x = 1,147,105,019,654.16/1,245,277.60
  6. Step 6: Final answer
    x = 921,164.10

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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.