Home / 903,078.48-1,246,262.64-495,217.44

Finding the Fourth Proportional to 903,078.48, 1,246,262.64 and 495,217.44

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Solution

The fourth proportional to 903,078.48, 1,246,262.64 and 495,217.44 is: 683,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,078.48 : 1,246,262.64 = 495,217.44 : x
  2. Step 2: Convert to fraction form
    903,078.48/1,246,262.64 = 495,217.44/x
  3. Step 3: Cross multiply
    903,078.48x = 1,246,262.64 × 495,217.44
  4. Step 4: Simplify right side
    903,078.48x = 617,170,994,148.44
  5. Step 5: Solve for x
    x = 617,170,994,148.44/903,078.48
  6. Step 6: Final answer
    x = 683,407.93

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1.5x scale

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.