Home / 1,279,670.94-1,916,931.22-606,401.51

Finding the Fourth Proportional to 1,279,670.94, 1,916,931.22 and 606,401.51

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Solution

The fourth proportional to 1,279,670.94, 1,916,931.22 and 606,401.51 is: 908,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,670.94 : 1,916,931.22 = 606,401.51 : x
  2. Step 2: Convert to fraction form
    1,279,670.94/1,916,931.22 = 606,401.51/x
  3. Step 3: Cross multiply
    1,279,670.94x = 1,916,931.22 × 606,401.51
  4. Step 4: Simplify right side
    1,279,670.94x = 1,162,429,975,273.48
  5. Step 5: Solve for x
    x = 1,162,429,975,273.48/1,279,670.94
  6. Step 6: Final answer
    x = 908,381.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.