Home / 1,185,890.58-1,636,529.58-642,026.46

Finding the Fourth Proportional to 1,185,890.58, 1,636,529.58 and 642,026.46

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Solution

The fourth proportional to 1,185,890.58, 1,636,529.58 and 642,026.46 is: 885,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,890.58 : 1,636,529.58 = 642,026.46 : x
  2. Step 2: Convert to fraction form
    1,185,890.58/1,636,529.58 = 642,026.46/x
  3. Step 3: Cross multiply
    1,185,890.58x = 1,636,529.58 × 642,026.46
  4. Step 4: Simplify right side
    1,185,890.58x = 1,050,695,292,932.69
  5. Step 5: Solve for x
    x = 1,050,695,292,932.69/1,185,890.58
  6. Step 6: Final answer
    x = 885,996.83

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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.