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Finding the Fourth Proportional to 1,585,807, 2,188,412.82 and 897,466.36

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Solution

The fourth proportional to 1,585,807, 2,188,412.82 and 897,466.36 is: 1,238,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,807 : 2,188,412.82 = 897,466.36 : x
  2. Step 2: Convert to fraction form
    1,585,807/2,188,412.82 = 897,466.36/x
  3. Step 3: Cross multiply
    1,585,807x = 2,188,412.82 × 897,466.36
  4. Step 4: Simplify right side
    1,585,807x = 1,964,026,887,742.74
  5. Step 5: Solve for x
    x = 1,964,026,887,742.74/1,585,807
  6. Step 6: Final answer
    x = 1,238,503.10

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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.