Home / 740,353.37-1,021,168.01-511,002.68

Finding the Fourth Proportional to 740,353.37, 1,021,168.01 and 511,002.68

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Solution

The fourth proportional to 740,353.37, 1,021,168.01 and 511,002.68 is: 704,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,353.37 : 1,021,168.01 = 511,002.68 : x
  2. Step 2: Convert to fraction form
    740,353.37/1,021,168.01 = 511,002.68/x
  3. Step 3: Cross multiply
    740,353.37x = 1,021,168.01 × 511,002.68
  4. Step 4: Simplify right side
    740,353.37x = 521,819,586,011.93
  5. Step 5: Solve for x
    x = 521,819,586,011.93/740,353.37
  6. Step 6: Final answer
    x = 704,825.03

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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.