Home / 702,970.55-1,054,237.56-253,632.88

Finding the Fourth Proportional to 702,970.55, 1,054,237.56 and 253,632.88

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Solution

The fourth proportional to 702,970.55, 1,054,237.56 and 253,632.88 is: 380,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,970.55 : 1,054,237.56 = 253,632.88 : x
  2. Step 2: Convert to fraction form
    702,970.55/1,054,237.56 = 253,632.88/x
  3. Step 3: Cross multiply
    702,970.55x = 1,054,237.56 × 253,632.88
  4. Step 4: Simplify right side
    702,970.55x = 267,389,303,275.79
  5. Step 5: Solve for x
    x = 267,389,303,275.79/702,970.55
  6. Step 6: Final answer
    x = 380,370.56

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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.