Home / 674,486.48-1,011,705.36-169,051.28

Finding the Fourth Proportional to 674,486.48, 1,011,705.36 and 169,051.28

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Solution

The fourth proportional to 674,486.48, 1,011,705.36 and 169,051.28 is: 253,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,486.48 : 1,011,705.36 = 169,051.28 : x
  2. Step 2: Convert to fraction form
    674,486.48/1,011,705.36 = 169,051.28/x
  3. Step 3: Cross multiply
    674,486.48x = 1,011,705.36 × 169,051.28
  4. Step 4: Simplify right side
    674,486.48x = 171,030,086,090.86
  5. Step 5: Solve for x
    x = 171,030,086,090.86/674,486.48
  6. Step 6: Final answer
    x = 253,570.81

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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.