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Finding the Fourth Proportional to 972,761.40, 1,460,891.70 and 706,822.20

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Solution

The fourth proportional to 972,761.40, 1,460,891.70 and 706,822.20 is: 1,061,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,761.40 : 1,460,891.70 = 706,822.20 : x
  2. Step 2: Convert to fraction form
    972,761.40/1,460,891.70 = 706,822.20/x
  3. Step 3: Cross multiply
    972,761.40x = 1,460,891.70 × 706,822.20
  4. Step 4: Simplify right side
    972,761.40x = 1,032,590,685,355.74
  5. Step 5: Solve for x
    x = 1,032,590,685,355.74/972,761.40
  6. Step 6: Final answer
    x = 1,061,504.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.