Home / 438,166.78-604,698.16-247,110.46

Finding the Fourth Proportional to 438,166.78, 604,698.16 and 247,110.46

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Solution

The fourth proportional to 438,166.78, 604,698.16 and 247,110.46 is: 341,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,166.78 : 604,698.16 = 247,110.46 : x
  2. Step 2: Convert to fraction form
    438,166.78/604,698.16 = 247,110.46/x
  3. Step 3: Cross multiply
    438,166.78x = 604,698.16 × 247,110.46
  4. Step 4: Simplify right side
    438,166.78x = 149,427,240,478.75
  5. Step 5: Solve for x
    x = 149,427,240,478.75/438,166.78
  6. Step 6: Final answer
    x = 341,028.23

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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.