Home / 1,119,205.05-1,543,405.72-710,597.51

Finding the Fourth Proportional to 1,119,205.05, 1,543,405.72 and 710,597.51

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Solution

The fourth proportional to 1,119,205.05, 1,543,405.72 and 710,597.51 is: 979,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,205.05 : 1,543,405.72 = 710,597.51 : x
  2. Step 2: Convert to fraction form
    1,119,205.05/1,543,405.72 = 710,597.51/x
  3. Step 3: Cross multiply
    1,119,205.05x = 1,543,405.72 × 710,597.51
  4. Step 4: Simplify right side
    1,119,205.05x = 1,096,740,257,179.82
  5. Step 5: Solve for x
    x = 1,096,740,257,179.82/1,119,205.05
  6. Step 6: Final answer
    x = 979,927.91

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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.