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Finding the Fourth Proportional to 1,935,387.03, 2,670,682.81 and 1,075,894.95

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Solution

The fourth proportional to 1,935,387.03, 2,670,682.81 and 1,075,894.95 is: 1,484,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,387.03 : 2,670,682.81 = 1,075,894.95 : x
  2. Step 2: Convert to fraction form
    1,935,387.03/2,670,682.81 = 1,075,894.95/x
  3. Step 3: Cross multiply
    1,935,387.03x = 2,670,682.81 × 1,075,894.95
  4. Step 4: Simplify right side
    1,935,387.03x = 2,873,374,145,641.07
  5. Step 5: Solve for x
    x = 2,873,374,145,641.07/1,935,387.03
  6. Step 6: Final answer
    x = 1,484,650.93

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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.