Home / 1,668,068.34-2,301,936.75-904,121.70

Finding the Fourth Proportional to 1,668,068.34, 2,301,936.75 and 904,121.70

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Solution

The fourth proportional to 1,668,068.34, 2,301,936.75 and 904,121.70 is: 1,247,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,068.34 : 2,301,936.75 = 904,121.70 : x
  2. Step 2: Convert to fraction form
    1,668,068.34/2,301,936.75 = 904,121.70/x
  3. Step 3: Cross multiply
    1,668,068.34x = 2,301,936.75 × 904,121.70
  4. Step 4: Simplify right side
    1,668,068.34x = 2,081,230,967,702.48
  5. Step 5: Solve for x
    x = 2,081,230,967,702.48/1,668,068.34
  6. Step 6: Final answer
    x = 1,247,689.27

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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.