Home / 941,669.16-1,299,529.08-511,978.20

Finding the Fourth Proportional to 941,669.16, 1,299,529.08 and 511,978.20

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Solution

The fourth proportional to 941,669.16, 1,299,529.08 and 511,978.20 is: 706,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,669.16 : 1,299,529.08 = 511,978.20 : x
  2. Step 2: Convert to fraction form
    941,669.16/1,299,529.08 = 511,978.20/x
  3. Step 3: Cross multiply
    941,669.16x = 1,299,529.08 × 511,978.20
  4. Step 4: Simplify right side
    941,669.16x = 665,330,559,226.06
  5. Step 5: Solve for x
    x = 665,330,559,226.06/941,669.16
  6. Step 6: Final answer
    x = 706,543.86

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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.