Home / 695,935.56-960,345.60-409,400.28

Finding the Fourth Proportional to 695,935.56, 960,345.60 and 409,400.28

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Solution

The fourth proportional to 695,935.56, 960,345.60 and 409,400.28 is: 564,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,935.56 : 960,345.60 = 409,400.28 : x
  2. Step 2: Convert to fraction form
    695,935.56/960,345.60 = 409,400.28/x
  3. Step 3: Cross multiply
    695,935.56x = 960,345.60 × 409,400.28
  4. Step 4: Simplify right side
    695,935.56x = 393,165,757,536.77
  5. Step 5: Solve for x
    x = 393,165,757,536.77/695,935.56
  6. Step 6: Final answer
    x = 564,945.64

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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.