Home / 617,981.20-926,280.60-351,869.20

Finding the Fourth Proportional to 617,981.20, 926,280.60 and 351,869.20

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Solution

The fourth proportional to 617,981.20, 926,280.60 and 351,869.20 is: 527,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,981.20 : 926,280.60 = 351,869.20 : x
  2. Step 2: Convert to fraction form
    617,981.20/926,280.60 = 351,869.20/x
  3. Step 3: Cross multiply
    617,981.20x = 926,280.60 × 351,869.20
  4. Step 4: Simplify right side
    617,981.20x = 325,929,613,697.52
  5. Step 5: Solve for x
    x = 325,929,613,697.52/617,981.20
  6. Step 6: Final answer
    x = 527,410.24

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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.