Home / 1,457,739.20-2,186,608.80-511,205.60

Finding the Fourth Proportional to 1,457,739.20, 2,186,608.80 and 511,205.60

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Solution

The fourth proportional to 1,457,739.20, 2,186,608.80 and 511,205.60 is: 766,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,739.20 : 2,186,608.80 = 511,205.60 : x
  2. Step 2: Convert to fraction form
    1,457,739.20/2,186,608.80 = 511,205.60/x
  3. Step 3: Cross multiply
    1,457,739.20x = 2,186,608.80 × 511,205.60
  4. Step 4: Simplify right side
    1,457,739.20x = 1,117,806,663,569.28
  5. Step 5: Solve for x
    x = 1,117,806,663,569.28/1,457,739.20
  6. Step 6: Final answer
    x = 766,808.40

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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.