Home / 340,038.23-469,285.87-253,847.54

Finding the Fourth Proportional to 340,038.23, 469,285.87 and 253,847.54

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Solution

The fourth proportional to 340,038.23, 469,285.87 and 253,847.54 is: 350,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,038.23 : 469,285.87 = 253,847.54 : x
  2. Step 2: Convert to fraction form
    340,038.23/469,285.87 = 253,847.54/x
  3. Step 3: Cross multiply
    340,038.23x = 469,285.87 × 253,847.54
  4. Step 4: Simplify right side
    340,038.23x = 119,127,064,194.86
  5. Step 5: Solve for x
    x = 119,127,064,194.86/340,038.23
  6. Step 6: Final answer
    x = 350,334.33

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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.