Home / 489,799.40-734,526.30-174,266.60

Finding the Fourth Proportional to 489,799.40, 734,526.30 and 174,266.60

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Solution

The fourth proportional to 489,799.40, 734,526.30 and 174,266.60 is: 261,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,799.40 : 734,526.30 = 174,266.60 : x
  2. Step 2: Convert to fraction form
    489,799.40/734,526.30 = 174,266.60/x
  3. Step 3: Cross multiply
    489,799.40x = 734,526.30 × 174,266.60
  4. Step 4: Simplify right side
    489,799.40x = 128,003,400,911.58
  5. Step 5: Solve for x
    x = 128,003,400,911.58/489,799.40
  6. Step 6: Final answer
    x = 261,338.42

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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.