Home / 445,346.34-614,511.09-254,319.30

Finding the Fourth Proportional to 445,346.34, 614,511.09 and 254,319.30

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Solution

The fourth proportional to 445,346.34, 614,511.09 and 254,319.30 is: 350,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,346.34 : 614,511.09 = 254,319.30 : x
  2. Step 2: Convert to fraction form
    445,346.34/614,511.09 = 254,319.30/x
  3. Step 3: Cross multiply
    445,346.34x = 614,511.09 × 254,319.30
  4. Step 4: Simplify right side
    445,346.34x = 156,282,030,251.04
  5. Step 5: Solve for x
    x = 156,282,030,251.04/445,346.34
  6. Step 6: Final answer
    x = 350,922.45

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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.