Home / 677,877.26-935,439.24-371,946.02

Finding the Fourth Proportional to 677,877.26, 935,439.24 and 371,946.02

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Solution

The fourth proportional to 677,877.26, 935,439.24 and 371,946.02 is: 513,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,877.26 : 935,439.24 = 371,946.02 : x
  2. Step 2: Convert to fraction form
    677,877.26/935,439.24 = 371,946.02/x
  3. Step 3: Cross multiply
    677,877.26x = 935,439.24 × 371,946.02
  4. Step 4: Simplify right side
    677,877.26x = 347,932,902,269.83
  5. Step 5: Solve for x
    x = 347,932,902,269.83/677,877.26
  6. Step 6: Final answer
    x = 513,268.29

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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.