Home / 689,666.32-951,199.56-472,003.84

Finding the Fourth Proportional to 689,666.32, 951,199.56 and 472,003.84

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Solution

The fourth proportional to 689,666.32, 951,199.56 and 472,003.84 is: 650,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,666.32 : 951,199.56 = 472,003.84 : x
  2. Step 2: Convert to fraction form
    689,666.32/951,199.56 = 472,003.84/x
  3. Step 3: Cross multiply
    689,666.32x = 951,199.56 × 472,003.84
  4. Step 4: Simplify right side
    689,666.32x = 448,969,844,926.31
  5. Step 5: Solve for x
    x = 448,969,844,926.31/689,666.32
  6. Step 6: Final answer
    x = 650,995.75

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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.