Home / 434,234.20-651,329.70-223,893.40

Finding the Fourth Proportional to 434,234.20, 651,329.70 and 223,893.40

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Solution

The fourth proportional to 434,234.20, 651,329.70 and 223,893.40 is: 335,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,234.20 : 651,329.70 = 223,893.40 : x
  2. Step 2: Convert to fraction form
    434,234.20/651,329.70 = 223,893.40/x
  3. Step 3: Cross multiply
    434,234.20x = 651,329.70 × 223,893.40
  4. Step 4: Simplify right side
    434,234.20x = 145,828,421,053.98
  5. Step 5: Solve for x
    x = 145,828,421,053.98/434,234.20
  6. Step 6: Final answer
    x = 335,828.96

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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.