Home / 829,301.81-1,144,789.59-557,527.32

Finding the Fourth Proportional to 829,301.81, 1,144,789.59 and 557,527.32

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Solution

The fourth proportional to 829,301.81, 1,144,789.59 and 557,527.32 is: 769,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,301.81 : 1,144,789.59 = 557,527.32 : x
  2. Step 2: Convert to fraction form
    829,301.81/1,144,789.59 = 557,527.32/x
  3. Step 3: Cross multiply
    829,301.81x = 1,144,789.59 × 557,527.32
  4. Step 4: Simplify right side
    829,301.81x = 638,251,472,076.60
  5. Step 5: Solve for x
    x = 638,251,472,076.60/829,301.81
  6. Step 6: Final answer
    x = 769,625.08

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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.