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Finding the Fourth Proportional to 2,772,842, 4,159,263 and 999,914

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Solution

The fourth proportional to 2,772,842, 4,159,263 and 999,914 is: 1,499,871

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,842 : 4,159,263 = 999,914 : x
  2. Step 2: Convert to fraction form
    2,772,842/4,159,263 = 999,914/x
  3. Step 3: Cross multiply
    2,772,842x = 4,159,263 × 999,914
  4. Step 4: Simplify right side
    2,772,842x = 4,158,905,303,382
  5. Step 5: Solve for x
    x = 4,158,905,303,382/2,772,842
  6. Step 6: Final answer
    x = 1,499,871

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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.