Home / 448,129.50-618,431.67-246,938.46

Finding the Fourth Proportional to 448,129.50, 618,431.67 and 246,938.46

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Solution

The fourth proportional to 448,129.50, 618,431.67 and 246,938.46 is: 340,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,129.50 : 618,431.67 = 246,938.46 : x
  2. Step 2: Convert to fraction form
    448,129.50/618,431.67 = 246,938.46/x
  3. Step 3: Cross multiply
    448,129.50x = 618,431.67 × 246,938.46
  4. Step 4: Simplify right side
    448,129.50x = 152,714,564,205.03
  5. Step 5: Solve for x
    x = 152,714,564,205.03/448,129.50
  6. Step 6: Final answer
    x = 340,782.22

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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.