Home / 1,283,206.77-1,770,803.91-710,234.64

Finding the Fourth Proportional to 1,283,206.77, 1,770,803.91 and 710,234.64

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Solution

The fourth proportional to 1,283,206.77, 1,770,803.91 and 710,234.64 is: 980,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,206.77 : 1,770,803.91 = 710,234.64 : x
  2. Step 2: Convert to fraction form
    1,283,206.77/1,770,803.91 = 710,234.64/x
  3. Step 3: Cross multiply
    1,283,206.77x = 1,770,803.91 × 710,234.64
  4. Step 4: Simplify right side
    1,283,206.77x = 1,257,686,277,529.44
  5. Step 5: Solve for x
    x = 1,257,686,277,529.44/1,283,206.77
  6. Step 6: Final answer
    x = 980,111.94

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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.