Home / 1,208,751.63-1,667,957.73-692,406.40

Finding the Fourth Proportional to 1,208,751.63, 1,667,957.73 and 692,406.40

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Solution

The fourth proportional to 1,208,751.63, 1,667,957.73 and 692,406.40 is: 955,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,751.63 : 1,667,957.73 = 692,406.40 : x
  2. Step 2: Convert to fraction form
    1,208,751.63/1,667,957.73 = 692,406.40/x
  3. Step 3: Cross multiply
    1,208,751.63x = 1,667,957.73 × 692,406.40
  4. Step 4: Simplify right side
    1,208,751.63x = 1,154,904,607,181.47
  5. Step 5: Solve for x
    x = 1,154,904,607,181.47/1,208,751.63
  6. Step 6: Final answer
    x = 955,452.37

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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.