Home / 929,674.48-1,282,896.89-521,738.23

Finding the Fourth Proportional to 929,674.48, 1,282,896.89 and 521,738.23

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Solution

The fourth proportional to 929,674.48, 1,282,896.89 and 521,738.23 is: 719,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,674.48 : 1,282,896.89 = 521,738.23 : x
  2. Step 2: Convert to fraction form
    929,674.48/1,282,896.89 = 521,738.23/x
  3. Step 3: Cross multiply
    929,674.48x = 1,282,896.89 × 521,738.23
  4. Step 4: Simplify right side
    929,674.48x = 669,336,350,052.41
  5. Step 5: Solve for x
    x = 669,336,350,052.41/929,674.48
  6. Step 6: Final answer
    x = 719,968.51

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Double scale
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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.