Home / 903,616.20-1,246,985.28-495,707.58

Finding the Fourth Proportional to 903,616.20, 1,246,985.28 and 495,707.58

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Solution

The fourth proportional to 903,616.20, 1,246,985.28 and 495,707.58 is: 684,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,616.20 : 1,246,985.28 = 495,707.58 : x
  2. Step 2: Convert to fraction form
    903,616.20/1,246,985.28 = 495,707.58/x
  3. Step 3: Cross multiply
    903,616.20x = 1,246,985.28 × 495,707.58
  4. Step 4: Simplify right side
    903,616.20x = 618,140,055,444.42
  5. Step 5: Solve for x
    x = 618,140,055,444.42/903,616.20
  6. Step 6: Final answer
    x = 684,073.68

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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.