Home / 691,888.37-1,038,294.25-242,608.91

Finding the Fourth Proportional to 691,888.37, 1,038,294.25 and 242,608.91

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Solution

The fourth proportional to 691,888.37, 1,038,294.25 and 242,608.91 is: 364,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,888.37 : 1,038,294.25 = 242,608.91 : x
  2. Step 2: Convert to fraction form
    691,888.37/1,038,294.25 = 242,608.91/x
  3. Step 3: Cross multiply
    691,888.37x = 1,038,294.25 × 242,608.91
  4. Step 4: Simplify right side
    691,888.37x = 251,899,430,453.77
  5. Step 5: Solve for x
    x = 251,899,430,453.77/691,888.37
  6. Step 6: Final answer
    x = 364,075.25

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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.