Home / 1,677,486.53-2,516,229.81-415,314.16

Finding the Fourth Proportional to 1,677,486.53, 2,516,229.81 and 415,314.16

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Solution

The fourth proportional to 1,677,486.53, 2,516,229.81 and 415,314.16 is: 622,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,486.53 : 2,516,229.81 = 415,314.16 : x
  2. Step 2: Convert to fraction form
    1,677,486.53/2,516,229.81 = 415,314.16/x
  3. Step 3: Cross multiply
    1,677,486.53x = 2,516,229.81 × 415,314.16
  4. Step 4: Simplify right side
    1,677,486.53x = 1,045,025,869,907.11
  5. Step 5: Solve for x
    x = 1,045,025,869,907.11/1,677,486.53
  6. Step 6: Final answer
    x = 622,971.24

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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.