Home / 448,106.40-618,379.92-246,909.60

Finding the Fourth Proportional to 448,106.40, 618,379.92 and 246,909.60

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Solution

The fourth proportional to 448,106.40, 618,379.92 and 246,909.60 is: 340,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,106.40 : 618,379.92 = 246,909.60 : x
  2. Step 2: Convert to fraction form
    448,106.40/618,379.92 = 246,909.60/x
  3. Step 3: Cross multiply
    448,106.40x = 618,379.92 × 246,909.60
  4. Step 4: Simplify right side
    448,106.40x = 152,683,938,695.23
  5. Step 5: Solve for x
    x = 152,683,938,695.23/448,106.40
  6. Step 6: Final answer
    x = 340,731.44

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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.