Home / 1,140,890.63-1,713,018.11-636,437.21

Finding the Fourth Proportional to 1,140,890.63, 1,713,018.11 and 636,437.21

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Solution

The fourth proportional to 1,140,890.63, 1,713,018.11 and 636,437.21 is: 955,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,890.63 : 1,713,018.11 = 636,437.21 : x
  2. Step 2: Convert to fraction form
    1,140,890.63/1,713,018.11 = 636,437.21/x
  3. Step 3: Cross multiply
    1,140,890.63x = 1,713,018.11 × 636,437.21
  4. Step 4: Simplify right side
    1,140,890.63x = 1,090,228,454,860.60
  5. Step 5: Solve for x
    x = 1,090,228,454,860.60/1,140,890.63
  6. Step 6: Final answer
    x = 955,594.19

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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.