Home / 684,829.32-945,059.34-383,023.32

Finding the Fourth Proportional to 684,829.32, 945,059.34 and 383,023.32

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Solution

The fourth proportional to 684,829.32, 945,059.34 and 383,023.32 is: 528,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,829.32 : 945,059.34 = 383,023.32 : x
  2. Step 2: Convert to fraction form
    684,829.32/945,059.34 = 383,023.32/x
  3. Step 3: Cross multiply
    684,829.32x = 945,059.34 × 383,023.32
  4. Step 4: Simplify right side
    684,829.32x = 361,979,766,003.81
  5. Step 5: Solve for x
    x = 361,979,766,003.81/684,829.32
  6. Step 6: Final answer
    x = 528,569.32

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Double scale
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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.