Home / 731,045.54-1,095,728.60-457,614.56

Finding the Fourth Proportional to 731,045.54, 1,095,728.60 and 457,614.56

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Solution

The fourth proportional to 731,045.54, 1,095,728.60 and 457,614.56 is: 685,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,045.54 : 1,095,728.60 = 457,614.56 : x
  2. Step 2: Convert to fraction form
    731,045.54/1,095,728.60 = 457,614.56/x
  3. Step 3: Cross multiply
    731,045.54x = 1,095,728.60 × 457,614.56
  4. Step 4: Simplify right side
    731,045.54x = 501,421,361,168.42
  5. Step 5: Solve for x
    x = 501,421,361,168.42/731,045.54
  6. Step 6: Final answer
    x = 685,896.20

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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.