Home / 662,100.10-993,668.55-307,158.10

Finding the Fourth Proportional to 662,100.10, 993,668.55 and 307,158.10

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Solution

The fourth proportional to 662,100.10, 993,668.55 and 307,158.10 is: 460,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,100.10 : 993,668.55 = 307,158.10 : x
  2. Step 2: Convert to fraction form
    662,100.10/993,668.55 = 307,158.10/x
  3. Step 3: Cross multiply
    662,100.10x = 993,668.55 × 307,158.10
  4. Step 4: Simplify right side
    662,100.10x = 305,213,343,847.76
  5. Step 5: Solve for x
    x = 305,213,343,847.76/662,100.10
  6. Step 6: Final answer
    x = 460,977.64

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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.