Home / 1,185,676.07-1,636,233.95-641,810.18

Finding the Fourth Proportional to 1,185,676.07, 1,636,233.95 and 641,810.18

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Solution

The fourth proportional to 1,185,676.07, 1,636,233.95 and 641,810.18 is: 885,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,676.07 : 1,636,233.95 = 641,810.18 : x
  2. Step 2: Convert to fraction form
    1,185,676.07/1,636,233.95 = 641,810.18/x
  3. Step 3: Cross multiply
    1,185,676.07x = 1,636,233.95 × 641,810.18
  4. Step 4: Simplify right side
    1,185,676.07x = 1,050,151,611,666.72
  5. Step 5: Solve for x
    x = 1,050,151,611,666.72/1,185,676.07
  6. Step 6: Final answer
    x = 885,698.58

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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.