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Finding the Fourth Proportional to 1,427,370, 1,969,770.60 and 791,466

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Solution

The fourth proportional to 1,427,370, 1,969,770.60 and 791,466 is: 1,092,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,370 : 1,969,770.60 = 791,466 : x
  2. Step 2: Convert to fraction form
    1,427,370/1,969,770.60 = 791,466/x
  3. Step 3: Cross multiply
    1,427,370x = 1,969,770.60 × 791,466
  4. Step 4: Simplify right side
    1,427,370x = 1,559,006,457,699.60
  5. Step 5: Solve for x
    x = 1,559,006,457,699.60/1,427,370
  6. Step 6: Final answer
    x = 1,092,223.08

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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.