Home / 621,330.48-931,998.15-189,052.26

Finding the Fourth Proportional to 621,330.48, 931,998.15 and 189,052.26

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Solution

The fourth proportional to 621,330.48, 931,998.15 and 189,052.26 is: 283,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,330.48 : 931,998.15 = 189,052.26 : x
  2. Step 2: Convert to fraction form
    621,330.48/931,998.15 = 189,052.26/x
  3. Step 3: Cross multiply
    621,330.48x = 931,998.15 × 189,052.26
  4. Step 4: Simplify right side
    621,330.48x = 176,196,356,573.32
  5. Step 5: Solve for x
    x = 176,196,356,573.32/621,330.48
  6. Step 6: Final answer
    x = 283,579.13

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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.