Home / 588,762.20-812,511.43-330,684.55

Finding the Fourth Proportional to 588,762.20, 812,511.43 and 330,684.55

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Solution

The fourth proportional to 588,762.20, 812,511.43 and 330,684.55 is: 456,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,762.20 : 812,511.43 = 330,684.55 : x
  2. Step 2: Convert to fraction form
    588,762.20/812,511.43 = 330,684.55/x
  3. Step 3: Cross multiply
    588,762.20x = 812,511.43 × 330,684.55
  4. Step 4: Simplify right side
    588,762.20x = 268,684,973,741.42
  5. Step 5: Solve for x
    x = 268,684,973,741.42/588,762.20
  6. Step 6: Final answer
    x = 456,355.68

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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.