Home / 401,586.95-554,194.27-220,299.23

Finding the Fourth Proportional to 401,586.95, 554,194.27 and 220,299.23

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Solution

The fourth proportional to 401,586.95, 554,194.27 and 220,299.23 is: 304,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,586.95 : 554,194.27 = 220,299.23 : x
  2. Step 2: Convert to fraction form
    401,586.95/554,194.27 = 220,299.23/x
  3. Step 3: Cross multiply
    401,586.95x = 554,194.27 × 220,299.23
  4. Step 4: Simplify right side
    401,586.95x = 122,088,572,612.27
  5. Step 5: Solve for x
    x = 122,088,572,612.27/401,586.95
  6. Step 6: Final answer
    x = 304,015.29

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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.