Home / 1,197,728.69-1,652,890.61-653,887.40

Finding the Fourth Proportional to 1,197,728.69, 1,652,890.61 and 653,887.40

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Solution

The fourth proportional to 1,197,728.69, 1,652,890.61 and 653,887.40 is: 902,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,728.69 : 1,652,890.61 = 653,887.40 : x
  2. Step 2: Convert to fraction form
    1,197,728.69/1,652,890.61 = 653,887.40/x
  3. Step 3: Cross multiply
    1,197,728.69x = 1,652,890.61 × 653,887.40
  4. Step 4: Simplify right side
    1,197,728.69x = 1,080,804,342,446.97
  5. Step 5: Solve for x
    x = 1,080,804,342,446.97/1,197,728.69
  6. Step 6: Final answer
    x = 902,378.27

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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.