Home / 846,749.90-1,270,776.40-492,013.04

Finding the Fourth Proportional to 846,749.90, 1,270,776.40 and 492,013.04

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Solution

The fourth proportional to 846,749.90, 1,270,776.40 and 492,013.04 is: 738,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,749.90 : 1,270,776.40 = 492,013.04 : x
  2. Step 2: Convert to fraction form
    846,749.90/1,270,776.40 = 492,013.04/x
  3. Step 3: Cross multiply
    846,749.90x = 1,270,776.40 × 492,013.04
  4. Step 4: Simplify right side
    846,749.90x = 625,238,552,140.34
  5. Step 5: Solve for x
    x = 625,238,552,140.34/846,749.90
  6. Step 6: Final answer
    x = 738,398.14

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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.