Home / 434,164.20-651,246.30-256,871.40

Finding the Fourth Proportional to 434,164.20, 651,246.30 and 256,871.40

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Solution

The fourth proportional to 434,164.20, 651,246.30 and 256,871.40 is: 385,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,164.20 : 651,246.30 = 256,871.40 : x
  2. Step 2: Convert to fraction form
    434,164.20/651,246.30 = 256,871.40/x
  3. Step 3: Cross multiply
    434,164.20x = 651,246.30 × 256,871.40
  4. Step 4: Simplify right side
    434,164.20x = 167,286,548,825.82
  5. Step 5: Solve for x
    x = 167,286,548,825.82/434,164.20
  6. Step 6: Final answer
    x = 385,307.10

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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.