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Finding the Fourth Proportional to 1,300,975.16, 1,795,366.97 and 712,264.77

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Solution

The fourth proportional to 1,300,975.16, 1,795,366.97 and 712,264.77 is: 982,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,975.16 : 1,795,366.97 = 712,264.77 : x
  2. Step 2: Convert to fraction form
    1,300,975.16/1,795,366.97 = 712,264.77/x
  3. Step 3: Cross multiply
    1,300,975.16x = 1,795,366.97 × 712,264.77
  4. Step 4: Simplify right side
    1,300,975.16x = 1,278,776,641,952.65
  5. Step 5: Solve for x
    x = 1,278,776,641,952.65/1,300,975.16
  6. Step 6: Final answer
    x = 982,937.02

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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.