Home / 468,815.79-646,968.90-253,955.86

Finding the Fourth Proportional to 468,815.79, 646,968.90 and 253,955.86

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Solution

The fourth proportional to 468,815.79, 646,968.90 and 253,955.86 is: 350,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,815.79 : 646,968.90 = 253,955.86 : x
  2. Step 2: Convert to fraction form
    468,815.79/646,968.90 = 253,955.86/x
  3. Step 3: Cross multiply
    468,815.79x = 646,968.90 × 253,955.86
  4. Step 4: Simplify right side
    468,815.79x = 164,301,543,392.75
  5. Step 5: Solve for x
    x = 164,301,543,392.75/468,815.79
  6. Step 6: Final answer
    x = 350,460.77

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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.