Home / 679,253.18-938,191.50-495,200.28

Finding the Fourth Proportional to 679,253.18, 938,191.50 and 495,200.28

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Solution

The fourth proportional to 679,253.18, 938,191.50 and 495,200.28 is: 683,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,253.18 : 938,191.50 = 495,200.28 : x
  2. Step 2: Convert to fraction form
    679,253.18/938,191.50 = 495,200.28/x
  3. Step 3: Cross multiply
    679,253.18x = 938,191.50 × 495,200.28
  4. Step 4: Simplify right side
    679,253.18x = 464,592,693,493.62
  5. Step 5: Solve for x
    x = 464,592,693,493.62/679,253.18
  6. Step 6: Final answer
    x = 683,975.74

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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.