Home / 964,881.40-1,445,495.27-644,065.93

Finding the Fourth Proportional to 964,881.40, 1,445,495.27 and 644,065.93

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Solution

The fourth proportional to 964,881.40, 1,445,495.27 and 644,065.93 is: 964,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,881.40 : 1,445,495.27 = 644,065.93 : x
  2. Step 2: Convert to fraction form
    964,881.40/1,445,495.27 = 644,065.93/x
  3. Step 3: Cross multiply
    964,881.40x = 1,445,495.27 × 644,065.93
  4. Step 4: Simplify right side
    964,881.40x = 930,994,257,592.56
  5. Step 5: Solve for x
    x = 930,994,257,592.56/964,881.40
  6. Step 6: Final answer
    x = 964,879.47

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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.