Home / 1,661,561.81-2,492,121.18-463,383.79

Finding the Fourth Proportional to 1,661,561.81, 2,492,121.18 and 463,383.79

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Solution

The fourth proportional to 1,661,561.81, 2,492,121.18 and 463,383.79 is: 695,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,561.81 : 2,492,121.18 = 463,383.79 : x
  2. Step 2: Convert to fraction form
    1,661,561.81/2,492,121.18 = 463,383.79/x
  3. Step 3: Cross multiply
    1,661,561.81x = 2,492,121.18 × 463,383.79
  4. Step 4: Simplify right side
    1,661,561.81x = 1,154,808,550,428.52
  5. Step 5: Solve for x
    x = 1,154,808,550,428.52/1,661,561.81
  6. Step 6: Final answer
    x = 695,013.90

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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.