Home / 1,354,290.98-1,868,997.78-803,333.40

Finding the Fourth Proportional to 1,354,290.98, 1,868,997.78 and 803,333.40

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Solution

The fourth proportional to 1,354,290.98, 1,868,997.78 and 803,333.40 is: 1,108,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,290.98 : 1,868,997.78 = 803,333.40 : x
  2. Step 2: Convert to fraction form
    1,354,290.98/1,868,997.78 = 803,333.40/x
  3. Step 3: Cross multiply
    1,354,290.98x = 1,868,997.78 × 803,333.40
  4. Step 4: Simplify right side
    1,354,290.98x = 1,501,428,337,580.13
  5. Step 5: Solve for x
    x = 1,501,428,337,580.13/1,354,290.98
  6. Step 6: Final answer
    x = 1,108,645.31

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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.