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Finding the Fourth Proportional to 1,036,886, 1,430,902.70 and 559,958

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Solution

The fourth proportional to 1,036,886, 1,430,902.70 and 559,958 is: 772,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,886 : 1,430,902.70 = 559,958 : x
  2. Step 2: Convert to fraction form
    1,036,886/1,430,902.70 = 559,958/x
  3. Step 3: Cross multiply
    1,036,886x = 1,430,902.70 × 559,958
  4. Step 4: Simplify right side
    1,036,886x = 801,245,414,086.60
  5. Step 5: Solve for x
    x = 801,245,414,086.60/1,036,886
  6. Step 6: Final answer
    x = 772,742.05

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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.