Home / 1,405,804.11-1,940,152.89-1,013,659.66

Finding the Fourth Proportional to 1,405,804.11, 1,940,152.89 and 1,013,659.66

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Solution

The fourth proportional to 1,405,804.11, 1,940,152.89 and 1,013,659.66 is: 1,398,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,804.11 : 1,940,152.89 = 1,013,659.66 : x
  2. Step 2: Convert to fraction form
    1,405,804.11/1,940,152.89 = 1,013,659.66/x
  3. Step 3: Cross multiply
    1,405,804.11x = 1,940,152.89 × 1,013,659.66
  4. Step 4: Simplify right side
    1,405,804.11x = 1,966,654,704,056.35
  5. Step 5: Solve for x
    x = 1,966,654,704,056.35/1,405,804.11
  6. Step 6: Final answer
    x = 1,398,953.59

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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.