Home / 532,548.76-734,923.14-290,838.45

Finding the Fourth Proportional to 532,548.76, 734,923.14 and 290,838.45

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Solution

The fourth proportional to 532,548.76, 734,923.14 and 290,838.45 is: 401,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,548.76 : 734,923.14 = 290,838.45 : x
  2. Step 2: Convert to fraction form
    532,548.76/734,923.14 = 290,838.45/x
  3. Step 3: Cross multiply
    532,548.76x = 734,923.14 × 290,838.45
  4. Step 4: Simplify right side
    532,548.76x = 213,743,906,074.07
  5. Step 5: Solve for x
    x = 213,743,906,074.07/532,548.76
  6. Step 6: Final answer
    x = 401,360.26

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Double scale
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Similar ratio
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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.