Home / 938,958.04-1,408,412.40-265,085.92

Finding the Fourth Proportional to 938,958.04, 1,408,412.40 and 265,085.92

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Solution

The fourth proportional to 938,958.04, 1,408,412.40 and 265,085.92 is: 397,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,958.04 : 1,408,412.40 = 265,085.92 : x
  2. Step 2: Convert to fraction form
    938,958.04/1,408,412.40 = 265,085.92/x
  3. Step 3: Cross multiply
    938,958.04x = 1,408,412.40 × 265,085.92
  4. Step 4: Simplify right side
    938,958.04x = 373,350,296,793.41
  5. Step 5: Solve for x
    x = 373,350,296,793.41/938,958.04
  6. Step 6: Final answer
    x = 397,621.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.