Home / 401,557.86-554,196.15-240,412.77

Finding the Fourth Proportional to 401,557.86, 554,196.15 and 240,412.77

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Solution

The fourth proportional to 401,557.86, 554,196.15 and 240,412.77 is: 331,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,557.86 : 554,196.15 = 240,412.77 : x
  2. Step 2: Convert to fraction form
    401,557.86/554,196.15 = 240,412.77/x
  3. Step 3: Cross multiply
    401,557.86x = 554,196.15 × 240,412.77
  4. Step 4: Simplify right side
    401,557.86x = 133,235,831,544.84
  5. Step 5: Solve for x
    x = 133,235,831,544.84/401,557.86
  6. Step 6: Final answer
    x = 331,797.34

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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.