Home / 434,561.40-651,647.70-197,782.20

Finding the Fourth Proportional to 434,561.40, 651,647.70 and 197,782.20

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Solution

The fourth proportional to 434,561.40, 651,647.70 and 197,782.20 is: 296,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,561.40 : 651,647.70 = 197,782.20 : x
  2. Step 2: Convert to fraction form
    434,561.40/651,647.70 = 197,782.20/x
  3. Step 3: Cross multiply
    434,561.40x = 651,647.70 × 197,782.20
  4. Step 4: Simplify right side
    434,561.40x = 128,884,315,730.94
  5. Step 5: Solve for x
    x = 128,884,315,730.94/434,561.40
  6. Step 6: Final answer
    x = 296,584.82

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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.