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Finding the Fourth Proportional to 1,036,881, 1,430,895.78 and 559,953

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Solution

The fourth proportional to 1,036,881, 1,430,895.78 and 559,953 is: 772,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,881 : 1,430,895.78 = 559,953 : x
  2. Step 2: Convert to fraction form
    1,036,881/1,430,895.78 = 559,953/x
  3. Step 3: Cross multiply
    1,036,881x = 1,430,895.78 × 559,953
  4. Step 4: Simplify right side
    1,036,881x = 801,234,384,698.34
  5. Step 5: Solve for x
    x = 801,234,384,698.34/1,036,881
  6. Step 6: Final answer
    x = 772,735.14

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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.