Home / 1,678,912-2,316,830.94-914,949.16

Finding the Fourth Proportional to 1,678,912, 2,316,830.94 and 914,949.16

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Solution

The fourth proportional to 1,678,912, 2,316,830.94 and 914,949.16 is: 1,262,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,912 : 2,316,830.94 = 914,949.16 : x
  2. Step 2: Convert to fraction form
    1,678,912/2,316,830.94 = 914,949.16/x
  3. Step 3: Cross multiply
    1,678,912x = 2,316,830.94 × 914,949.16
  4. Step 4: Simplify right side
    1,678,912x = 2,119,782,522,415.01
  5. Step 5: Solve for x
    x = 2,119,782,522,415.01/1,678,912
  6. Step 6: Final answer
    x = 1,262,592.99

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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.