Home / 735,090.30-1,014,534.48-448,776.78

Finding the Fourth Proportional to 735,090.30, 1,014,534.48 and 448,776.78

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Solution

The fourth proportional to 735,090.30, 1,014,534.48 and 448,776.78 is: 619,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,090.30 : 1,014,534.48 = 448,776.78 : x
  2. Step 2: Convert to fraction form
    735,090.30/1,014,534.48 = 448,776.78/x
  3. Step 3: Cross multiply
    735,090.30x = 1,014,534.48 × 448,776.78
  4. Step 4: Simplify right side
    735,090.30x = 455,299,517,133.37
  5. Step 5: Solve for x
    x = 455,299,517,133.37/735,090.30
  6. Step 6: Final answer
    x = 619,379.03

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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.