Home / 495,934.40-743,901.60-329,722.40

Finding the Fourth Proportional to 495,934.40, 743,901.60 and 329,722.40

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Solution

The fourth proportional to 495,934.40, 743,901.60 and 329,722.40 is: 494,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,934.40 : 743,901.60 = 329,722.40 : x
  2. Step 2: Convert to fraction form
    495,934.40/743,901.60 = 329,722.40/x
  3. Step 3: Cross multiply
    495,934.40x = 743,901.60 × 329,722.40
  4. Step 4: Simplify right side
    495,934.40x = 245,281,020,915.84
  5. Step 5: Solve for x
    x = 245,281,020,915.84/495,934.40
  6. Step 6: Final answer
    x = 494,583.60

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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.