Home / 487,370.83-731,172.89-246,885.07

Finding the Fourth Proportional to 487,370.83, 731,172.89 and 246,885.07

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Solution

The fourth proportional to 487,370.83, 731,172.89 and 246,885.07 is: 370,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,370.83 : 731,172.89 = 246,885.07 : x
  2. Step 2: Convert to fraction form
    487,370.83/731,172.89 = 246,885.07/x
  3. Step 3: Cross multiply
    487,370.83x = 731,172.89 × 246,885.07
  4. Step 4: Simplify right side
    487,370.83x = 180,515,670,129.75
  5. Step 5: Solve for x
    x = 180,515,670,129.75/487,370.83
  6. Step 6: Final answer
    x = 370,386.69

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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.