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Finding the Fourth Proportional to 1,239,759, 1,710,730.53 and 695,770.02

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Solution

The fourth proportional to 1,239,759, 1,710,730.53 and 695,770.02 is: 960,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,759 : 1,710,730.53 = 695,770.02 : x
  2. Step 2: Convert to fraction form
    1,239,759/1,710,730.53 = 695,770.02/x
  3. Step 3: Cross multiply
    1,239,759x = 1,710,730.53 × 695,770.02
  4. Step 4: Simplify right side
    1,239,759x = 1,190,275,015,072.71
  5. Step 5: Solve for x
    x = 1,190,275,015,072.71/1,239,759
  6. Step 6: Final answer
    x = 960,085.80

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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.