Home / 1,285,623.41-1,927,075.46-475,487.18

Finding the Fourth Proportional to 1,285,623.41, 1,927,075.46 and 475,487.18

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Solution

The fourth proportional to 1,285,623.41, 1,927,075.46 and 475,487.18 is: 712,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,623.41 : 1,927,075.46 = 475,487.18 : x
  2. Step 2: Convert to fraction form
    1,285,623.41/1,927,075.46 = 475,487.18/x
  3. Step 3: Cross multiply
    1,285,623.41x = 1,927,075.46 × 475,487.18
  4. Step 4: Simplify right side
    1,285,623.41x = 916,299,664,109.79
  5. Step 5: Solve for x
    x = 916,299,664,109.79/1,285,623.41
  6. Step 6: Final answer
    x = 712,727.90

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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.