Home / 1,218,659.07-1,683,501.30-973,321.74

Finding the Fourth Proportional to 1,218,659.07, 1,683,501.30 and 973,321.74

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Solution

The fourth proportional to 1,218,659.07, 1,683,501.30 and 973,321.74 is: 1,344,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,659.07 : 1,683,501.30 = 973,321.74 : x
  2. Step 2: Convert to fraction form
    1,218,659.07/1,683,501.30 = 973,321.74/x
  3. Step 3: Cross multiply
    1,218,659.07x = 1,683,501.30 × 973,321.74
  4. Step 4: Simplify right side
    1,218,659.07x = 1,638,588,414,608.26
  5. Step 5: Solve for x
    x = 1,638,588,414,608.26/1,218,659.07
  6. Step 6: Final answer
    x = 1,344,583.12

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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.