Home / 434,555.70-651,614.85-257,117.10

Finding the Fourth Proportional to 434,555.70, 651,614.85 and 257,117.10

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Solution

The fourth proportional to 434,555.70, 651,614.85 and 257,117.10 is: 385,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,555.70 : 651,614.85 = 257,117.10 : x
  2. Step 2: Convert to fraction form
    434,555.70/651,614.85 = 257,117.10/x
  3. Step 3: Cross multiply
    434,555.70x = 651,614.85 × 257,117.10
  4. Step 4: Simplify right side
    434,555.70x = 167,541,320,548.94
  5. Step 5: Solve for x
    x = 167,541,320,548.94/434,555.70
  6. Step 6: Final answer
    x = 385,546.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.