Home / 434,444.80-651,667.20-198,248.80

Finding the Fourth Proportional to 434,444.80, 651,667.20 and 198,248.80

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Solution

The fourth proportional to 434,444.80, 651,667.20 and 198,248.80 is: 297,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,444.80 : 651,667.20 = 198,248.80 : x
  2. Step 2: Convert to fraction form
    434,444.80/651,667.20 = 198,248.80/x
  3. Step 3: Cross multiply
    434,444.80x = 651,667.20 × 198,248.80
  4. Step 4: Simplify right side
    434,444.80x = 129,192,240,399.36
  5. Step 5: Solve for x
    x = 129,192,240,399.36/434,444.80
  6. Step 6: Final answer
    x = 297,373.20

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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.