Home / 947,890.04-1,420,577.51-414,830.66

Finding the Fourth Proportional to 947,890.04, 1,420,577.51 and 414,830.66

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Solution

The fourth proportional to 947,890.04, 1,420,577.51 and 414,830.66 is: 621,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,890.04 : 1,420,577.51 = 414,830.66 : x
  2. Step 2: Convert to fraction form
    947,890.04/1,420,577.51 = 414,830.66/x
  3. Step 3: Cross multiply
    947,890.04x = 1,420,577.51 × 414,830.66
  4. Step 4: Simplify right side
    947,890.04x = 589,299,096,877.42
  5. Step 5: Solve for x
    x = 589,299,096,877.42/947,890.04
  6. Step 6: Final answer
    x = 621,695.63

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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.