Home / 1,513,433.78-2,270,142.46-648,741.36

Finding the Fourth Proportional to 1,513,433.78, 2,270,142.46 and 648,741.36

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Solution

The fourth proportional to 1,513,433.78, 2,270,142.46 and 648,741.36 is: 973,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,433.78 : 2,270,142.46 = 648,741.36 : x
  2. Step 2: Convert to fraction form
    1,513,433.78/2,270,142.46 = 648,741.36/x
  3. Step 3: Cross multiply
    1,513,433.78x = 2,270,142.46 × 648,741.36
  4. Step 4: Simplify right side
    1,513,433.78x = 1,472,735,306,894.15
  5. Step 5: Solve for x
    x = 1,472,735,306,894.15/1,513,433.78
  6. Step 6: Final answer
    x = 973,108.52

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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.