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Finding the Fourth Proportional to 1,062,420, 1,466,139.63 and 585,492

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Solution

The fourth proportional to 1,062,420, 1,466,139.63 and 585,492 is: 807,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,420 : 1,466,139.63 = 585,492 : x
  2. Step 2: Convert to fraction form
    1,062,420/1,466,139.63 = 585,492/x
  3. Step 3: Cross multiply
    1,062,420x = 1,466,139.63 × 585,492
  4. Step 4: Simplify right side
    1,062,420x = 858,413,024,247.96
  5. Step 5: Solve for x
    x = 858,413,024,247.96/1,062,420
  6. Step 6: Final answer
    x = 807,978.98

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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.