Home / 789,473.52-1,089,484.66-483,438.24

Finding the Fourth Proportional to 789,473.52, 1,089,484.66 and 483,438.24

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Solution

The fourth proportional to 789,473.52, 1,089,484.66 and 483,438.24 is: 667,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,473.52 : 1,089,484.66 = 483,438.24 : x
  2. Step 2: Convert to fraction form
    789,473.52/1,089,484.66 = 483,438.24/x
  3. Step 3: Cross multiply
    789,473.52x = 1,089,484.66 × 483,438.24
  4. Step 4: Simplify right side
    789,473.52x = 526,698,547,141.70
  5. Step 5: Solve for x
    x = 526,698,547,141.70/789,473.52
  6. Step 6: Final answer
    x = 667,151.63

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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.