Home / 683,280.39-942,707.66-381,416.07

Finding the Fourth Proportional to 683,280.39, 942,707.66 and 381,416.07

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Solution

The fourth proportional to 683,280.39, 942,707.66 and 381,416.07 is: 526,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,280.39 : 942,707.66 = 381,416.07 : x
  2. Step 2: Convert to fraction form
    683,280.39/942,707.66 = 381,416.07/x
  3. Step 3: Cross multiply
    683,280.39x = 942,707.66 × 381,416.07
  4. Step 4: Simplify right side
    683,280.39x = 359,563,848,929.02
  5. Step 5: Solve for x
    x = 359,563,848,929.02/683,280.39
  6. Step 6: Final answer
    x = 526,231.77

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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.