Home / 1,210,849.95-1,670,981.46-694,626.37

Finding the Fourth Proportional to 1,210,849.95, 1,670,981.46 and 694,626.37

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Solution

The fourth proportional to 1,210,849.95, 1,670,981.46 and 694,626.37 is: 958,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,849.95 : 1,670,981.46 = 694,626.37 : x
  2. Step 2: Convert to fraction form
    1,210,849.95/1,670,981.46 = 694,626.37/x
  3. Step 3: Cross multiply
    1,210,849.95x = 1,670,981.46 × 694,626.37
  4. Step 4: Simplify right side
    1,210,849.95x = 1,160,707,785,897.10
  5. Step 5: Solve for x
    x = 1,160,707,785,897.10/1,210,849.95
  6. Step 6: Final answer
    x = 958,589.28

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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.