Home / 617,939.10-926,131.05-547,955.10

Finding the Fourth Proportional to 617,939.10, 926,131.05 and 547,955.10

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Solution

The fourth proportional to 617,939.10, 926,131.05 and 547,955.10 is: 821,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,939.10 : 926,131.05 = 547,955.10 : x
  2. Step 2: Convert to fraction form
    617,939.10/926,131.05 = 547,955.10/x
  3. Step 3: Cross multiply
    617,939.10x = 926,131.05 × 547,955.10
  4. Step 4: Simplify right side
    617,939.10x = 507,478,232,115.86
  5. Step 5: Solve for x
    x = 507,478,232,115.86/617,939.10
  6. Step 6: Final answer
    x = 821,243.12

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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.