Home / 1,072,068.08-1,480,146.30-664,605.38

Finding the Fourth Proportional to 1,072,068.08, 1,480,146.30 and 664,605.38

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Solution

The fourth proportional to 1,072,068.08, 1,480,146.30 and 664,605.38 is: 917,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,068.08 : 1,480,146.30 = 664,605.38 : x
  2. Step 2: Convert to fraction form
    1,072,068.08/1,480,146.30 = 664,605.38/x
  3. Step 3: Cross multiply
    1,072,068.08x = 1,480,146.30 × 664,605.38
  4. Step 4: Simplify right side
    1,072,068.08x = 983,713,194,167.09
  5. Step 5: Solve for x
    x = 983,713,194,167.09/1,072,068.08
  6. Step 6: Final answer
    x = 917,584.63

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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.