Home / 588,560.76-812,157.74-330,378.60

Finding the Fourth Proportional to 588,560.76, 812,157.74 and 330,378.60

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Solution

The fourth proportional to 588,560.76, 812,157.74 and 330,378.60 is: 455,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,560.76 : 812,157.74 = 330,378.60 : x
  2. Step 2: Convert to fraction form
    588,560.76/812,157.74 = 330,378.60/x
  3. Step 3: Cross multiply
    588,560.76x = 812,157.74 × 330,378.60
  4. Step 4: Simplify right side
    588,560.76x = 268,319,537,120.36
  5. Step 5: Solve for x
    x = 268,319,537,120.36/588,560.76
  6. Step 6: Final answer
    x = 455,890.97

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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.