Home / 448,135.50-618,456.96-246,931.50

Finding the Fourth Proportional to 448,135.50, 618,456.96 and 246,931.50

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Solution

The fourth proportional to 448,135.50, 618,456.96 and 246,931.50 is: 340,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,135.50 : 618,456.96 = 246,931.50 : x
  2. Step 2: Convert to fraction form
    448,135.50/618,456.96 = 246,931.50/x
  3. Step 3: Cross multiply
    448,135.50x = 618,456.96 × 246,931.50
  4. Step 4: Simplify right side
    448,135.50x = 152,716,504,818.24
  5. Step 5: Solve for x
    x = 152,716,504,818.24/448,135.50
  6. Step 6: Final answer
    x = 340,781.98

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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.