Home / 434,771.39-599,984.53-243,784.79

Finding the Fourth Proportional to 434,771.39, 599,984.53 and 243,784.79

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Solution

The fourth proportional to 434,771.39, 599,984.53 and 243,784.79 is: 336,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,771.39 : 599,984.53 = 243,784.79 : x
  2. Step 2: Convert to fraction form
    434,771.39/599,984.53 = 243,784.79/x
  3. Step 3: Cross multiply
    434,771.39x = 599,984.53 × 243,784.79
  4. Step 4: Simplify right side
    434,771.39x = 146,267,103,539.80
  5. Step 5: Solve for x
    x = 146,267,103,539.80/434,771.39
  6. Step 6: Final answer
    x = 336,423.02

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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.