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Finding the Fourth Proportional to 1,754,803, 2,421,631.38 and 949,987

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Solution

The fourth proportional to 1,754,803, 2,421,631.38 and 949,987 is: 1,310,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,803 : 2,421,631.38 = 949,987 : x
  2. Step 2: Convert to fraction form
    1,754,803/2,421,631.38 = 949,987/x
  3. Step 3: Cross multiply
    1,754,803x = 2,421,631.38 × 949,987
  4. Step 4: Simplify right side
    1,754,803x = 2,300,518,329,792.06
  5. Step 5: Solve for x
    x = 2,300,518,329,792.06/1,754,803
  6. Step 6: Final answer
    x = 1,310,983.81

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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.