Home / 867,902.65-1,197,777.88-505,304.83

Finding the Fourth Proportional to 867,902.65, 1,197,777.88 and 505,304.83

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Solution

The fourth proportional to 867,902.65, 1,197,777.88 and 505,304.83 is: 697,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,902.65 : 1,197,777.88 = 505,304.83 : x
  2. Step 2: Convert to fraction form
    867,902.65/1,197,777.88 = 505,304.83/x
  3. Step 3: Cross multiply
    867,902.65x = 1,197,777.88 × 505,304.83
  4. Step 4: Simplify right side
    867,902.65x = 605,242,950,160.01
  5. Step 5: Solve for x
    x = 605,242,950,160.01/867,902.65
  6. Step 6: Final answer
    x = 697,362.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.