Home / 434,035.54-651,474.15-209,554.30

Finding the Fourth Proportional to 434,035.54, 651,474.15 and 209,554.30

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Solution

The fourth proportional to 434,035.54, 651,474.15 and 209,554.30 is: 314,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,035.54 : 651,474.15 = 209,554.30 : x
  2. Step 2: Convert to fraction form
    434,035.54/651,474.15 = 209,554.30/x
  3. Step 3: Cross multiply
    434,035.54x = 651,474.15 × 209,554.30
  4. Step 4: Simplify right side
    434,035.54x = 136,519,209,471.35
  5. Step 5: Solve for x
    x = 136,519,209,471.35/434,035.54
  6. Step 6: Final answer
    x = 314,534.63

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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.