Home / 1,185,816.35-1,636,427.12-641,952.14

Finding the Fourth Proportional to 1,185,816.35, 1,636,427.12 and 641,952.14

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Solution

The fourth proportional to 1,185,816.35, 1,636,427.12 and 641,952.14 is: 885,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,816.35 : 1,636,427.12 = 641,952.14 : x
  2. Step 2: Convert to fraction form
    1,185,816.35/1,636,427.12 = 641,952.14/x
  3. Step 3: Cross multiply
    1,185,816.35x = 1,636,427.12 × 641,952.14
  4. Step 4: Simplify right side
    1,185,816.35x = 1,050,507,880,246.14
  5. Step 5: Solve for x
    x = 1,050,507,880,246.14/1,185,816.35
  6. Step 6: Final answer
    x = 885,894.24

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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.