Home / 546,811.56-754,598.90-305,079.76

Finding the Fourth Proportional to 546,811.56, 754,598.90 and 305,079.76

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Solution

The fourth proportional to 546,811.56, 754,598.90 and 305,079.76 is: 421,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,811.56 : 754,598.90 = 305,079.76 : x
  2. Step 2: Convert to fraction form
    546,811.56/754,598.90 = 305,079.76/x
  3. Step 3: Cross multiply
    546,811.56x = 754,598.90 × 305,079.76
  4. Step 4: Simplify right side
    546,811.56x = 230,212,851,308.26
  5. Step 5: Solve for x
    x = 230,212,851,308.26/546,811.56
  6. Step 6: Final answer
    x = 421,009.48

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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.