Home / 810,661.64-1,118,598.77-461,811.22

Finding the Fourth Proportional to 810,661.64, 1,118,598.77 and 461,811.22

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Solution

The fourth proportional to 810,661.64, 1,118,598.77 and 461,811.22 is: 637,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,661.64 : 1,118,598.77 = 461,811.22 : x
  2. Step 2: Convert to fraction form
    810,661.64/1,118,598.77 = 461,811.22/x
  3. Step 3: Cross multiply
    810,661.64x = 1,118,598.77 × 461,811.22
  4. Step 4: Simplify right side
    810,661.64x = 516,581,462,664.20
  5. Step 5: Solve for x
    x = 516,581,462,664.20/810,661.64
  6. Step 6: Final answer
    x = 637,234.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.