Home / 746,116.32-1,029,640.56-406,584.48

Finding the Fourth Proportional to 746,116.32, 1,029,640.56 and 406,584.48

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Solution

The fourth proportional to 746,116.32, 1,029,640.56 and 406,584.48 is: 561,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,116.32 : 1,029,640.56 = 406,584.48 : x
  2. Step 2: Convert to fraction form
    746,116.32/1,029,640.56 = 406,584.48/x
  3. Step 3: Cross multiply
    746,116.32x = 1,029,640.56 × 406,584.48
  4. Step 4: Simplify right side
    746,116.32x = 418,635,871,674.51
  5. Step 5: Solve for x
    x = 418,635,871,674.51/746,116.32
  6. Step 6: Final answer
    x = 561,086.60

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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.