Home / 405,117.59-559,068.12-223,833.69

Finding the Fourth Proportional to 405,117.59, 559,068.12 and 223,833.69

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Solution

The fourth proportional to 405,117.59, 559,068.12 and 223,833.69 is: 308,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,117.59 : 559,068.12 = 223,833.69 : x
  2. Step 2: Convert to fraction form
    405,117.59/559,068.12 = 223,833.69/x
  3. Step 3: Cross multiply
    405,117.59x = 559,068.12 × 223,833.69
  4. Step 4: Simplify right side
    405,117.59x = 125,138,280,260.96
  5. Step 5: Solve for x
    x = 125,138,280,260.96/405,117.59
  6. Step 6: Final answer
    x = 308,893.73

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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.