Home / 696,015.14-960,483.58-405,607.85

Finding the Fourth Proportional to 696,015.14, 960,483.58 and 405,607.85

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Solution

The fourth proportional to 696,015.14, 960,483.58 and 405,607.85 is: 559,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,015.14 : 960,483.58 = 405,607.85 : x
  2. Step 2: Convert to fraction form
    696,015.14/960,483.58 = 405,607.85/x
  3. Step 3: Cross multiply
    696,015.14x = 960,483.58 × 405,607.85
  4. Step 4: Simplify right side
    696,015.14x = 389,579,685,884.13
  5. Step 5: Solve for x
    x = 389,579,685,884.13/696,015.14
  6. Step 6: Final answer
    x = 559,728.75

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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.