Home / 1,106,721.64-1,527,259.62-623,287.72

Finding the Fourth Proportional to 1,106,721.64, 1,527,259.62 and 623,287.72

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Solution

The fourth proportional to 1,106,721.64, 1,527,259.62 and 623,287.72 is: 860,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,721.64 : 1,527,259.62 = 623,287.72 : x
  2. Step 2: Convert to fraction form
    1,106,721.64/1,527,259.62 = 623,287.72/x
  3. Step 3: Cross multiply
    1,106,721.64x = 1,527,259.62 × 623,287.72
  4. Step 4: Simplify right side
    1,106,721.64x = 951,922,166,397.87
  5. Step 5: Solve for x
    x = 951,922,166,397.87/1,106,721.64
  6. Step 6: Final answer
    x = 860,127.91

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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.