Home / 1,359,019.05-2,038,528.94-399,474.69

Finding the Fourth Proportional to 1,359,019.05, 2,038,528.94 and 399,474.69

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Solution

The fourth proportional to 1,359,019.05, 2,038,528.94 and 399,474.69 is: 599,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,019.05 : 2,038,528.94 = 399,474.69 : x
  2. Step 2: Convert to fraction form
    1,359,019.05/2,038,528.94 = 399,474.69/x
  3. Step 3: Cross multiply
    1,359,019.05x = 2,038,528.94 × 399,474.69
  4. Step 4: Simplify right side
    1,359,019.05x = 814,340,714,365.16
  5. Step 5: Solve for x
    x = 814,340,714,365.16/1,359,019.05
  6. Step 6: Final answer
    x = 599,212.14

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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.