Home / 438,106.05-604,575.18-247,104.36

Finding the Fourth Proportional to 438,106.05, 604,575.18 and 247,104.36

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Solution

The fourth proportional to 438,106.05, 604,575.18 and 247,104.36 is: 340,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,106.05 : 604,575.18 = 247,104.36 : x
  2. Step 2: Convert to fraction form
    438,106.05/604,575.18 = 247,104.36/x
  3. Step 3: Cross multiply
    438,106.05x = 604,575.18 × 247,104.36
  4. Step 4: Simplify right side
    438,106.05x = 149,393,162,925.79
  5. Step 5: Solve for x
    x = 149,393,162,925.79/438,106.05
  6. Step 6: Final answer
    x = 340,997.72

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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.