Home / 823,699.03-1,235,075.34-438,974.13

Finding the Fourth Proportional to 823,699.03, 1,235,075.34 and 438,974.13

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Solution

The fourth proportional to 823,699.03, 1,235,075.34 and 438,974.13 is: 658,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,699.03 : 1,235,075.34 = 438,974.13 : x
  2. Step 2: Convert to fraction form
    823,699.03/1,235,075.34 = 438,974.13/x
  3. Step 3: Cross multiply
    823,699.03x = 1,235,075.34 × 438,974.13
  4. Step 4: Simplify right side
    823,699.03x = 542,166,120,666.08
  5. Step 5: Solve for x
    x = 542,166,120,666.08/823,699.03
  6. Step 6: Final answer
    x = 658,209.01

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1.5x scale

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.