Home / 773,138.76-1,066,989.93-429,039.84

Finding the Fourth Proportional to 773,138.76, 1,066,989.93 and 429,039.84

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Solution

The fourth proportional to 773,138.76, 1,066,989.93 and 429,039.84 is: 592,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,138.76 : 1,066,989.93 = 429,039.84 : x
  2. Step 2: Convert to fraction form
    773,138.76/1,066,989.93 = 429,039.84/x
  3. Step 3: Cross multiply
    773,138.76x = 1,066,989.93 × 429,039.84
  4. Step 4: Simplify right side
    773,138.76x = 457,781,188,848.81
  5. Step 5: Solve for x
    x = 457,781,188,848.81/773,138.76
  6. Step 6: Final answer
    x = 592,107.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.