Home / 829,215.56-1,241,331.56-742,597.80

Finding the Fourth Proportional to 829,215.56, 1,241,331.56 and 742,597.80

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Solution

The fourth proportional to 829,215.56, 1,241,331.56 and 742,597.80 is: 1,111,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,215.56 : 1,241,331.56 = 742,597.80 : x
  2. Step 2: Convert to fraction form
    829,215.56/1,241,331.56 = 742,597.80/x
  3. Step 3: Cross multiply
    829,215.56x = 1,241,331.56 × 742,597.80
  4. Step 4: Simplify right side
    829,215.56x = 921,810,085,526.57
  5. Step 5: Solve for x
    x = 921,810,085,526.57/829,215.56
  6. Step 6: Final answer
    x = 1,111,665.21

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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.