Home / 1,678,461.01-2,517,689.21-779,411.12

Finding the Fourth Proportional to 1,678,461.01, 2,517,689.21 and 779,411.12

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Solution

The fourth proportional to 1,678,461.01, 2,517,689.21 and 779,411.12 is: 1,169,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,461.01 : 2,517,689.21 = 779,411.12 : x
  2. Step 2: Convert to fraction form
    1,678,461.01/2,517,689.21 = 779,411.12/x
  3. Step 3: Cross multiply
    1,678,461.01x = 2,517,689.21 × 779,411.12
  4. Step 4: Simplify right side
    1,678,461.01x = 1,962,314,950,492.51
  5. Step 5: Solve for x
    x = 1,962,314,950,492.51/1,678,461.01
  6. Step 6: Final answer
    x = 1,169,115.60

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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.