Home / 661,587.32-992,388.65-629,319.50

Finding the Fourth Proportional to 661,587.32, 992,388.65 and 629,319.50

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Solution

The fourth proportional to 661,587.32, 992,388.65 and 629,319.50 is: 943,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,587.32 : 992,388.65 = 629,319.50 : x
  2. Step 2: Convert to fraction form
    661,587.32/992,388.65 = 629,319.50/x
  3. Step 3: Cross multiply
    661,587.32x = 992,388.65 × 629,319.50
  4. Step 4: Simplify right side
    661,587.32x = 624,529,529,023.68
  5. Step 5: Solve for x
    x = 624,529,529,023.68/661,587.32
  6. Step 6: Final answer
    x = 943,986.55

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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.