Home / 631,558.94-947,402.18-205,076.93

Finding the Fourth Proportional to 631,558.94, 947,402.18 and 205,076.93

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Solution

The fourth proportional to 631,558.94, 947,402.18 and 205,076.93 is: 307,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,558.94 : 947,402.18 = 205,076.93 : x
  2. Step 2: Convert to fraction form
    631,558.94/947,402.18 = 205,076.93/x
  3. Step 3: Cross multiply
    631,558.94x = 947,402.18 × 205,076.93
  4. Step 4: Simplify right side
    631,558.94x = 194,290,333,430.91
  5. Step 5: Solve for x
    x = 194,290,333,430.91/631,558.94
  6. Step 6: Final answer
    x = 307,636.11

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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.