Home / 1,229,631.77-1,697,196.09-837,812.94

Finding the Fourth Proportional to 1,229,631.77, 1,697,196.09 and 837,812.94

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Solution

The fourth proportional to 1,229,631.77, 1,697,196.09 and 837,812.94 is: 1,156,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,631.77 : 1,697,196.09 = 837,812.94 : x
  2. Step 2: Convert to fraction form
    1,229,631.77/1,697,196.09 = 837,812.94/x
  3. Step 3: Cross multiply
    1,229,631.77x = 1,697,196.09 × 837,812.94
  4. Step 4: Simplify right side
    1,229,631.77x = 1,421,932,845,919.40
  5. Step 5: Solve for x
    x = 1,421,932,845,919.40/1,229,631.77
  6. Step 6: Final answer
    x = 1,156,389.16

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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.