Home / 1,145,493.60-1,580,737.44-636,228.84

Finding the Fourth Proportional to 1,145,493.60, 1,580,737.44 and 636,228.84

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Solution

The fourth proportional to 1,145,493.60, 1,580,737.44 and 636,228.84 is: 877,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,493.60 : 1,580,737.44 = 636,228.84 : x
  2. Step 2: Convert to fraction form
    1,145,493.60/1,580,737.44 = 636,228.84/x
  3. Step 3: Cross multiply
    1,145,493.60x = 1,580,737.44 × 636,228.84
  4. Step 4: Simplify right side
    1,145,493.60x = 1,005,710,747,795.77
  5. Step 5: Solve for x
    x = 1,005,710,747,795.77/1,145,493.60
  6. Step 6: Final answer
    x = 877,971.51

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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.