Home / 1,201,182.65-1,657,632.22-657,318.56

Finding the Fourth Proportional to 1,201,182.65, 1,657,632.22 and 657,318.56

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Solution

The fourth proportional to 1,201,182.65, 1,657,632.22 and 657,318.56 is: 907,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,182.65 : 1,657,632.22 = 657,318.56 : x
  2. Step 2: Convert to fraction form
    1,201,182.65/1,657,632.22 = 657,318.56/x
  3. Step 3: Cross multiply
    1,201,182.65x = 1,657,632.22 × 657,318.56
  4. Step 4: Simplify right side
    1,201,182.65x = 1,089,592,423,860.00
  5. Step 5: Solve for x
    x = 1,089,592,423,860.00/1,201,182.65
  6. Step 6: Final answer
    x = 907,099.71

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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.