Home / 617,946.20-926,228.10-351,834.20

Finding the Fourth Proportional to 617,946.20, 926,228.10 and 351,834.20

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Solution

The fourth proportional to 617,946.20, 926,228.10 and 351,834.20 is: 527,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,946.20 : 926,228.10 = 351,834.20 : x
  2. Step 2: Convert to fraction form
    617,946.20/926,228.10 = 351,834.20/x
  3. Step 3: Cross multiply
    617,946.20x = 926,228.10 × 351,834.20
  4. Step 4: Simplify right side
    617,946.20x = 325,878,722,581.02
  5. Step 5: Solve for x
    x = 325,878,722,581.02/617,946.20
  6. Step 6: Final answer
    x = 527,357.76

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Double scale
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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.