Home / 1,696,277.07-2,340,880.43-921,907.89

Finding the Fourth Proportional to 1,696,277.07, 2,340,880.43 and 921,907.89

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Solution

The fourth proportional to 1,696,277.07, 2,340,880.43 and 921,907.89 is: 1,272,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,277.07 : 2,340,880.43 = 921,907.89 : x
  2. Step 2: Convert to fraction form
    1,696,277.07/2,340,880.43 = 921,907.89/x
  3. Step 3: Cross multiply
    1,696,277.07x = 2,340,880.43 × 921,907.89
  4. Step 4: Simplify right side
    1,696,277.07x = 2,158,076,133,354.05
  5. Step 5: Solve for x
    x = 2,158,076,133,354.05/1,696,277.07
  6. Step 6: Final answer
    x = 1,272,242.71

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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.