Home / 968,239.90-1,336,008.72-538,462.54

Finding the Fourth Proportional to 968,239.90, 1,336,008.72 and 538,462.54

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Solution

The fourth proportional to 968,239.90, 1,336,008.72 and 538,462.54 is: 742,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,239.90 : 1,336,008.72 = 538,462.54 : x
  2. Step 2: Convert to fraction form
    968,239.90/1,336,008.72 = 538,462.54/x
  3. Step 3: Cross multiply
    968,239.90x = 1,336,008.72 × 538,462.54
  4. Step 4: Simplify right side
    968,239.90x = 719,390,649,493.74
  5. Step 5: Solve for x
    x = 719,390,649,493.74/968,239.90
  6. Step 6: Final answer
    x = 742,988.02

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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.