Home / 1,019,904.20-1,528,544.10-620,120.60

Finding the Fourth Proportional to 1,019,904.20, 1,528,544.10 and 620,120.60

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Solution

The fourth proportional to 1,019,904.20, 1,528,544.10 and 620,120.60 is: 929,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,904.20 : 1,528,544.10 = 620,120.60 : x
  2. Step 2: Convert to fraction form
    1,019,904.20/1,528,544.10 = 620,120.60/x
  3. Step 3: Cross multiply
    1,019,904.20x = 1,528,544.10 × 620,120.60
  4. Step 4: Simplify right side
    1,019,904.20x = 947,881,684,418.46
  5. Step 5: Solve for x
    x = 947,881,684,418.46/1,019,904.20
  6. Step 6: Final answer
    x = 929,383.06

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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.