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Finding the Fourth Proportional to 1,036,872, 1,430,883.36 and 559,944

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Solution

The fourth proportional to 1,036,872, 1,430,883.36 and 559,944 is: 772,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,872 : 1,430,883.36 = 559,944 : x
  2. Step 2: Convert to fraction form
    1,036,872/1,430,883.36 = 559,944/x
  3. Step 3: Cross multiply
    1,036,872x = 1,430,883.36 × 559,944
  4. Step 4: Simplify right side
    1,036,872x = 801,214,552,131.84
  5. Step 5: Solve for x
    x = 801,214,552,131.84/1,036,872
  6. Step 6: Final answer
    x = 772,722.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.