Home / 669,863.28-1,005,647.76-434,192.16

Finding the Fourth Proportional to 669,863.28, 1,005,647.76 and 434,192.16

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Solution

The fourth proportional to 669,863.28, 1,005,647.76 and 434,192.16 is: 651,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,863.28 : 1,005,647.76 = 434,192.16 : x
  2. Step 2: Convert to fraction form
    669,863.28/1,005,647.76 = 434,192.16/x
  3. Step 3: Cross multiply
    669,863.28x = 1,005,647.76 × 434,192.16
  4. Step 4: Simplify right side
    669,863.28x = 436,644,373,113.56
  5. Step 5: Solve for x
    x = 436,644,373,113.56/669,863.28
  6. Step 6: Final answer
    x = 651,841.03

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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.