Home / 781,675.84-1,172,698.56-622,354.24

Finding the Fourth Proportional to 781,675.84, 1,172,698.56 and 622,354.24

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Solution

The fourth proportional to 781,675.84, 1,172,698.56 and 622,354.24 is: 933,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,675.84 : 1,172,698.56 = 622,354.24 : x
  2. Step 2: Convert to fraction form
    781,675.84/1,172,698.56 = 622,354.24/x
  3. Step 3: Cross multiply
    781,675.84x = 1,172,698.56 × 622,354.24
  4. Step 4: Simplify right side
    781,675.84x = 729,833,921,057.89
  5. Step 5: Solve for x
    x = 729,833,921,057.89/781,675.84
  6. Step 6: Final answer
    x = 933,678.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.