Home / 1,008,001.10-1,391,040.92-555,292.10

Finding the Fourth Proportional to 1,008,001.10, 1,391,040.92 and 555,292.10

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Solution

The fourth proportional to 1,008,001.10, 1,391,040.92 and 555,292.10 is: 766,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,001.10 : 1,391,040.92 = 555,292.10 : x
  2. Step 2: Convert to fraction form
    1,008,001.10/1,391,040.92 = 555,292.10/x
  3. Step 3: Cross multiply
    1,008,001.10x = 1,391,040.92 × 555,292.10
  4. Step 4: Simplify right side
    1,008,001.10x = 772,434,038,518.57
  5. Step 5: Solve for x
    x = 772,434,038,518.57/1,008,001.10
  6. Step 6: Final answer
    x = 766,302.77

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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.