Home / 695,865.14-960,277.59-409,403.64

Finding the Fourth Proportional to 695,865.14, 960,277.59 and 409,403.64

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Solution

The fourth proportional to 695,865.14, 960,277.59 and 409,403.64 is: 564,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,865.14 : 960,277.59 = 409,403.64 : x
  2. Step 2: Convert to fraction form
    695,865.14/960,277.59 = 409,403.64/x
  3. Step 3: Cross multiply
    695,865.14x = 960,277.59 × 409,403.64
  4. Step 4: Simplify right side
    695,865.14x = 393,141,140,756.43
  5. Step 5: Solve for x
    x = 393,141,140,756.43/695,865.14
  6. Step 6: Final answer
    x = 564,967.43

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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.