Home / 628,077.04-866,721.36-341,596.96

Finding the Fourth Proportional to 628,077.04, 866,721.36 and 341,596.96

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Solution

The fourth proportional to 628,077.04, 866,721.36 and 341,596.96 is: 471,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,077.04 : 866,721.36 = 341,596.96 : x
  2. Step 2: Convert to fraction form
    628,077.04/866,721.36 = 341,596.96/x
  3. Step 3: Cross multiply
    628,077.04x = 866,721.36 × 341,596.96
  4. Step 4: Simplify right side
    628,077.04x = 296,069,381,743.07
  5. Step 5: Solve for x
    x = 296,069,381,743.07/628,077.04
  6. Step 6: Final answer
    x = 471,390.23

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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.