Home / 1,119,889.56-1,545,170.46-684,194.76

Finding the Fourth Proportional to 1,119,889.56, 1,545,170.46 and 684,194.76

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Solution

The fourth proportional to 1,119,889.56, 1,545,170.46 and 684,194.76 is: 944,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,889.56 : 1,545,170.46 = 684,194.76 : x
  2. Step 2: Convert to fraction form
    1,119,889.56/1,545,170.46 = 684,194.76/x
  3. Step 3: Cross multiply
    1,119,889.56x = 1,545,170.46 × 684,194.76
  4. Step 4: Simplify right side
    1,119,889.56x = 1,057,197,532,038.79
  5. Step 5: Solve for x
    x = 1,057,197,532,038.79/1,119,889.56
  6. Step 6: Final answer
    x = 944,019.45

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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.