Home / 635,633.56-876,923.58-409,410.28

Finding the Fourth Proportional to 635,633.56, 876,923.58 and 409,410.28

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Solution

The fourth proportional to 635,633.56, 876,923.58 and 409,410.28 is: 564,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,633.56 : 876,923.58 = 409,410.28 : x
  2. Step 2: Convert to fraction form
    635,633.56/876,923.58 = 409,410.28/x
  3. Step 3: Cross multiply
    635,633.56x = 876,923.58 × 409,410.28
  4. Step 4: Simplify right side
    635,633.56x = 359,021,528,426.40
  5. Step 5: Solve for x
    x = 359,021,528,426.40/635,633.56
  6. Step 6: Final answer
    x = 564,824.69

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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.