Home / 623,020.59-859,768.88-336,540.68

Finding the Fourth Proportional to 623,020.59, 859,768.88 and 336,540.68

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Solution

The fourth proportional to 623,020.59, 859,768.88 and 336,540.68 is: 464,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,020.59 : 859,768.88 = 336,540.68 : x
  2. Step 2: Convert to fraction form
    623,020.59/859,768.88 = 336,540.68/x
  3. Step 3: Cross multiply
    623,020.59x = 859,768.88 × 336,540.68
  4. Step 4: Simplify right side
    623,020.59x = 289,347,197,536.49
  5. Step 5: Solve for x
    x = 289,347,197,536.49/623,020.59
  6. Step 6: Final answer
    x = 464,426.38

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Double scale
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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.