Home / 1,003,433.05-1,505,565.11-554,113.90

Finding the Fourth Proportional to 1,003,433.05, 1,505,565.11 and 554,113.90

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Solution

The fourth proportional to 1,003,433.05, 1,505,565.11 and 554,113.90 is: 831,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,433.05 : 1,505,565.11 = 554,113.90 : x
  2. Step 2: Convert to fraction form
    1,003,433.05/1,505,565.11 = 554,113.90/x
  3. Step 3: Cross multiply
    1,003,433.05x = 1,505,565.11 × 554,113.90
  4. Step 4: Simplify right side
    1,003,433.05x = 834,254,554,806.03
  5. Step 5: Solve for x
    x = 834,254,554,806.03/1,003,433.05
  6. Step 6: Final answer
    x = 831,400.32

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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.