Home / 1,009,115.61-1,392,704.85-579,386.51

Finding the Fourth Proportional to 1,009,115.61, 1,392,704.85 and 579,386.51

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Solution

The fourth proportional to 1,009,115.61, 1,392,704.85 and 579,386.51 is: 799,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,115.61 : 1,392,704.85 = 579,386.51 : x
  2. Step 2: Convert to fraction form
    1,009,115.61/1,392,704.85 = 579,386.51/x
  3. Step 3: Cross multiply
    1,009,115.61x = 1,392,704.85 × 579,386.51
  4. Step 4: Simplify right side
    1,009,115.61x = 806,914,402,501.57
  5. Step 5: Solve for x
    x = 806,914,402,501.57/1,009,115.61
  6. Step 6: Final answer
    x = 799,625.33

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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.