Home / 1,207,603.07-1,666,457.02-691,339.85

Finding the Fourth Proportional to 1,207,603.07, 1,666,457.02 and 691,339.85

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Solution

The fourth proportional to 1,207,603.07, 1,666,457.02 and 691,339.85 is: 954,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,603.07 : 1,666,457.02 = 691,339.85 : x
  2. Step 2: Convert to fraction form
    1,207,603.07/1,666,457.02 = 691,339.85/x
  3. Step 3: Cross multiply
    1,207,603.07x = 1,666,457.02 × 691,339.85
  4. Step 4: Simplify right side
    1,207,603.07x = 1,152,088,150,504.38
  5. Step 5: Solve for x
    x = 1,152,088,150,504.38/1,207,603.07
  6. Step 6: Final answer
    x = 954,028.83

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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.