Home / 1,282,997.22-1,924,923.24-430,153.26

Finding the Fourth Proportional to 1,282,997.22, 1,924,923.24 and 430,153.26

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Solution

The fourth proportional to 1,282,997.22, 1,924,923.24 and 430,153.26 is: 645,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,997.22 : 1,924,923.24 = 430,153.26 : x
  2. Step 2: Convert to fraction form
    1,282,997.22/1,924,923.24 = 430,153.26/x
  3. Step 3: Cross multiply
    1,282,997.22x = 1,924,923.24 × 430,153.26
  4. Step 4: Simplify right side
    1,282,997.22x = 828,012,006,935.76
  5. Step 5: Solve for x
    x = 828,012,006,935.76/1,282,997.22
  6. Step 6: Final answer
    x = 645,373.19

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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.