Home / 621,318.48-931,980.15-189,040.22

Finding the Fourth Proportional to 621,318.48, 931,980.15 and 189,040.22

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Solution

The fourth proportional to 621,318.48, 931,980.15 and 189,040.22 is: 283,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,318.48 : 931,980.15 = 189,040.22 : x
  2. Step 2: Convert to fraction form
    621,318.48/931,980.15 = 189,040.22/x
  3. Step 3: Cross multiply
    621,318.48x = 931,980.15 × 189,040.22
  4. Step 4: Simplify right side
    621,318.48x = 176,181,727,931.73
  5. Step 5: Solve for x
    x = 176,181,727,931.73/621,318.48
  6. Step 6: Final answer
    x = 283,561.06

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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.