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Finding the Fourth Proportional to 1,037,639, 1,431,963.72 and 584,930

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Solution

The fourth proportional to 1,037,639, 1,431,963.72 and 584,930 is: 807,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,639 : 1,431,963.72 = 584,930 : x
  2. Step 2: Convert to fraction form
    1,037,639/1,431,963.72 = 584,930/x
  3. Step 3: Cross multiply
    1,037,639x = 1,431,963.72 × 584,930
  4. Step 4: Simplify right side
    1,037,639x = 837,598,538,739.60
  5. Step 5: Solve for x
    x = 837,598,538,739.60/1,037,639
  6. Step 6: Final answer
    x = 807,215.75

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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.