Home / 607,515.30-911,272.95-495,322.20

Finding the Fourth Proportional to 607,515.30, 911,272.95 and 495,322.20

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Solution

The fourth proportional to 607,515.30, 911,272.95 and 495,322.20 is: 742,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,515.30 : 911,272.95 = 495,322.20 : x
  2. Step 2: Convert to fraction form
    607,515.30/911,272.95 = 495,322.20/x
  3. Step 3: Cross multiply
    607,515.30x = 911,272.95 × 495,322.20
  4. Step 4: Simplify right side
    607,515.30x = 451,373,722,394.49
  5. Step 5: Solve for x
    x = 451,373,722,394.49/607,515.30
  6. Step 6: Final answer
    x = 742,983.30

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1.5x scale

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.