Home / 780,526.95-1,170,701.00-204,205.88

Finding the Fourth Proportional to 780,526.95, 1,170,701.00 and 204,205.88

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Solution

The fourth proportional to 780,526.95, 1,170,701.00 and 204,205.88 is: 306,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,526.95 : 1,170,701.00 = 204,205.88 : x
  2. Step 2: Convert to fraction form
    780,526.95/1,170,701.00 = 204,205.88/x
  3. Step 3: Cross multiply
    780,526.95x = 1,170,701.00 × 204,205.88
  4. Step 4: Simplify right side
    780,526.95x = 239,064,021,047.35
  5. Step 5: Solve for x
    x = 239,064,021,047.35/780,526.95
  6. Step 6: Final answer
    x = 306,285.42

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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.