Home / 945,674.40-1,419,433.20-472,893.60

Finding the Fourth Proportional to 945,674.40, 1,419,433.20 and 472,893.60

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Solution

The fourth proportional to 945,674.40, 1,419,433.20 and 472,893.60 is: 709,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,674.40 : 1,419,433.20 = 472,893.60 : x
  2. Step 2: Convert to fraction form
    945,674.40/1,419,433.20 = 472,893.60/x
  3. Step 3: Cross multiply
    945,674.40x = 1,419,433.20 × 472,893.60
  4. Step 4: Simplify right side
    945,674.40x = 671,240,875,907.52
  5. Step 5: Solve for x
    x = 671,240,875,907.52/945,674.40
  6. Step 6: Final answer
    x = 709,801.25

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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.