Home / 434,209.08-651,536.10-206,762.28

Finding the Fourth Proportional to 434,209.08, 651,536.10 and 206,762.28

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Solution

The fourth proportional to 434,209.08, 651,536.10 and 206,762.28 is: 310,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,209.08 : 651,536.10 = 206,762.28 : x
  2. Step 2: Convert to fraction form
    434,209.08/651,536.10 = 206,762.28/x
  3. Step 3: Cross multiply
    434,209.08x = 651,536.10 × 206,762.28
  4. Step 4: Simplify right side
    434,209.08x = 134,713,089,538.31
  5. Step 5: Solve for x
    x = 134,713,089,538.31/434,209.08
  6. Step 6: Final answer
    x = 310,249.36

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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.