Home / 724,881.42-1,087,045.23-238,450.50

Finding the Fourth Proportional to 724,881.42, 1,087,045.23 and 238,450.50

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Solution

The fourth proportional to 724,881.42, 1,087,045.23 and 238,450.50 is: 357,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,881.42 : 1,087,045.23 = 238,450.50 : x
  2. Step 2: Convert to fraction form
    724,881.42/1,087,045.23 = 238,450.50/x
  3. Step 3: Cross multiply
    724,881.42x = 1,087,045.23 × 238,450.50
  4. Step 4: Simplify right side
    724,881.42x = 259,206,478,616.12
  5. Step 5: Solve for x
    x = 259,206,478,616.12/724,881.42
  6. Step 6: Final answer
    x = 357,584.66

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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.