Home / 1,200,690.94-1,657,043.41-684,457.14

Finding the Fourth Proportional to 1,200,690.94, 1,657,043.41 and 684,457.14

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Solution

The fourth proportional to 1,200,690.94, 1,657,043.41 and 684,457.14 is: 944,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,690.94 : 1,657,043.41 = 684,457.14 : x
  2. Step 2: Convert to fraction form
    1,200,690.94/1,657,043.41 = 684,457.14/x
  3. Step 3: Cross multiply
    1,200,690.94x = 1,657,043.41 × 684,457.14
  4. Step 4: Simplify right side
    1,200,690.94x = 1,134,175,191,553.30
  5. Step 5: Solve for x
    x = 1,134,175,191,553.30/1,200,690.94
  6. Step 6: Final answer
    x = 944,602.11

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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.