Home / 693,334.08-956,845.44-387,411.36

Finding the Fourth Proportional to 693,334.08, 956,845.44 and 387,411.36

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Solution

The fourth proportional to 693,334.08, 956,845.44 and 387,411.36 is: 534,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,334.08 : 956,845.44 = 387,411.36 : x
  2. Step 2: Convert to fraction form
    693,334.08/956,845.44 = 387,411.36/x
  3. Step 3: Cross multiply
    693,334.08x = 956,845.44 × 387,411.36
  4. Step 4: Simplify right side
    693,334.08x = 370,692,793,220.20
  5. Step 5: Solve for x
    x = 370,692,793,220.20/693,334.08
  6. Step 6: Final answer
    x = 534,652.49

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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.