Home / 1,492,199.37-2,059,237.76-813,135.87

Finding the Fourth Proportional to 1,492,199.37, 2,059,237.76 and 813,135.87

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Solution

The fourth proportional to 1,492,199.37, 2,059,237.76 and 813,135.87 is: 1,122,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,199.37 : 2,059,237.76 = 813,135.87 : x
  2. Step 2: Convert to fraction form
    1,492,199.37/2,059,237.76 = 813,135.87/x
  3. Step 3: Cross multiply
    1,492,199.37x = 2,059,237.76 × 813,135.87
  4. Step 4: Simplify right side
    1,492,199.37x = 1,674,440,083,448.77
  5. Step 5: Solve for x
    x = 1,674,440,083,448.77/1,492,199.37
  6. Step 6: Final answer
    x = 1,122,128.93

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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.