Home / 1,078,463.84-1,488,411.90-619,577.54

Finding the Fourth Proportional to 1,078,463.84, 1,488,411.90 and 619,577.54

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Solution

The fourth proportional to 1,078,463.84, 1,488,411.90 and 619,577.54 is: 855,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,463.84 : 1,488,411.90 = 619,577.54 : x
  2. Step 2: Convert to fraction form
    1,078,463.84/1,488,411.90 = 619,577.54/x
  3. Step 3: Cross multiply
    1,078,463.84x = 1,488,411.90 × 619,577.54
  4. Step 4: Simplify right side
    1,078,463.84x = 922,186,585,680.81
  5. Step 5: Solve for x
    x = 922,186,585,680.81/1,078,463.84
  6. Step 6: Final answer
    x = 855,092.73

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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.