Home / 617,966.10-926,949.15-547,982.10

Finding the Fourth Proportional to 617,966.10, 926,949.15 and 547,982.10

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Solution

The fourth proportional to 617,966.10, 926,949.15 and 547,982.10 is: 821,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,966.10 : 926,949.15 = 547,982.10 : x
  2. Step 2: Convert to fraction form
    617,966.10/926,949.15 = 547,982.10/x
  3. Step 3: Cross multiply
    617,966.10x = 926,949.15 × 547,982.10
  4. Step 4: Simplify right side
    617,966.10x = 507,951,541,810.22
  5. Step 5: Solve for x
    x = 507,951,541,810.22/617,966.10
  6. Step 6: Final answer
    x = 821,973.15

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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.