Home / 829,313.78-1,144,806.16-557,539.28

Finding the Fourth Proportional to 829,313.78, 1,144,806.16 and 557,539.28

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Solution

The fourth proportional to 829,313.78, 1,144,806.16 and 557,539.28 is: 769,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,313.78 : 1,144,806.16 = 557,539.28 : x
  2. Step 2: Convert to fraction form
    829,313.78/1,144,806.16 = 557,539.28/x
  3. Step 3: Cross multiply
    829,313.78x = 1,144,806.16 × 557,539.28
  4. Step 4: Simplify right side
    829,313.78x = 638,274,402,185.97
  5. Step 5: Solve for x
    x = 638,274,402,185.97/829,313.78
  6. Step 6: Final answer
    x = 769,641.62

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1.5x scale

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.