Home / 1,218,656.07-1,683,497.16-973,318.73

Finding the Fourth Proportional to 1,218,656.07, 1,683,497.16 and 973,318.73

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Solution

The fourth proportional to 1,218,656.07, 1,683,497.16 and 973,318.73 is: 1,344,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,656.07 : 1,683,497.16 = 973,318.73 : x
  2. Step 2: Convert to fraction form
    1,218,656.07/1,683,497.16 = 973,318.73/x
  3. Step 3: Cross multiply
    1,218,656.07x = 1,683,497.16 × 973,318.73
  4. Step 4: Simplify right side
    1,218,656.07x = 1,638,579,309,312.32
  5. Step 5: Solve for x
    x = 1,638,579,309,312.32/1,218,656.07
  6. Step 6: Final answer
    x = 1,344,578.96

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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.