Home / 1,020,680.98-1,408,456.88-590,988.33

Finding the Fourth Proportional to 1,020,680.98, 1,408,456.88 and 590,988.33

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Solution

The fourth proportional to 1,020,680.98, 1,408,456.88 and 590,988.33 is: 815,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,680.98 : 1,408,456.88 = 590,988.33 : x
  2. Step 2: Convert to fraction form
    1,020,680.98/1,408,456.88 = 590,988.33/x
  3. Step 3: Cross multiply
    1,020,680.98x = 1,408,456.88 × 590,988.33
  4. Step 4: Simplify right side
    1,020,680.98x = 832,381,579,388.21
  5. Step 5: Solve for x
    x = 832,381,579,388.21/1,020,680.98
  6. Step 6: Final answer
    x = 815,515.91

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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.