Home / 1,290,706.03-1,781,217.84-709,953.85

Finding the Fourth Proportional to 1,290,706.03, 1,781,217.84 and 709,953.85

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Solution

The fourth proportional to 1,290,706.03, 1,781,217.84 and 709,953.85 is: 979,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,706.03 : 1,781,217.84 = 709,953.85 : x
  2. Step 2: Convert to fraction form
    1,290,706.03/1,781,217.84 = 709,953.85/x
  3. Step 3: Cross multiply
    1,290,706.03x = 1,781,217.84 × 709,953.85
  4. Step 4: Simplify right side
    1,290,706.03x = 1,264,582,463,196.68
  5. Step 5: Solve for x
    x = 1,264,582,463,196.68/1,290,706.03
  6. Step 6: Final answer
    x = 979,760.25

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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.