Home / 903,783.68-1,247,179.36-495,876.32

Finding the Fourth Proportional to 903,783.68, 1,247,179.36 and 495,876.32

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Solution

The fourth proportional to 903,783.68, 1,247,179.36 and 495,876.32 is: 684,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,783.68 : 1,247,179.36 = 495,876.32 : x
  2. Step 2: Convert to fraction form
    903,783.68/1,247,179.36 = 495,876.32/x
  3. Step 3: Cross multiply
    903,783.68x = 1,247,179.36 × 495,876.32
  4. Step 4: Simplify right side
    903,783.68x = 618,446,711,416.76
  5. Step 5: Solve for x
    x = 618,446,711,416.76/903,783.68
  6. Step 6: Final answer
    x = 684,286.21

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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.