Home / 434,307.79-599,369.39-243,382.69

Finding the Fourth Proportional to 434,307.79, 599,369.39 and 243,382.69

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Solution

The fourth proportional to 434,307.79, 599,369.39 and 243,382.69 is: 335,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,307.79 : 599,369.39 = 243,382.69 : x
  2. Step 2: Convert to fraction form
    434,307.79/599,369.39 = 243,382.69/x
  3. Step 3: Cross multiply
    434,307.79x = 599,369.39 × 243,382.69
  4. Step 4: Simplify right side
    434,307.79x = 145,876,134,441.86
  5. Step 5: Solve for x
    x = 145,876,134,441.86/434,307.79
  6. Step 6: Final answer
    x = 335,881.92

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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.