Home / 411,005.34-566,132.22-289,933.74

Finding the Fourth Proportional to 411,005.34, 566,132.22 and 289,933.74

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Solution

The fourth proportional to 411,005.34, 566,132.22 and 289,933.74 is: 399,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,005.34 : 566,132.22 = 289,933.74 : x
  2. Step 2: Convert to fraction form
    411,005.34/566,132.22 = 289,933.74/x
  3. Step 3: Cross multiply
    411,005.34x = 566,132.22 × 289,933.74
  4. Step 4: Simplify right side
    411,005.34x = 164,140,831,879.10
  5. Step 5: Solve for x
    x = 164,140,831,879.10/411,005.34
  6. Step 6: Final answer
    x = 399,364.23

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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.