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Finding the Fourth Proportional to 1,414,587.22, 1,948,411.44 and 1,087,274.32

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Solution

The fourth proportional to 1,414,587.22, 1,948,411.44 and 1,087,274.32 is: 1,497,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,587.22 : 1,948,411.44 = 1,087,274.32 : x
  2. Step 2: Convert to fraction form
    1,414,587.22/1,948,411.44 = 1,087,274.32/x
  3. Step 3: Cross multiply
    1,414,587.22x = 1,948,411.44 × 1,087,274.32
  4. Step 4: Simplify right side
    1,414,587.22x = 2,118,457,723,506.22
  5. Step 5: Solve for x
    x = 2,118,457,723,506.22/1,414,587.22
  6. Step 6: Final answer
    x = 1,497,580.14

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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.