Home / 912,233.80-1,368,221.10-281,211.40

Finding the Fourth Proportional to 912,233.80, 1,368,221.10 and 281,211.40

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Solution

The fourth proportional to 912,233.80, 1,368,221.10 and 281,211.40 is: 421,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,233.80 : 1,368,221.10 = 281,211.40 : x
  2. Step 2: Convert to fraction form
    912,233.80/1,368,221.10 = 281,211.40/x
  3. Step 3: Cross multiply
    912,233.80x = 1,368,221.10 × 281,211.40
  4. Step 4: Simplify right side
    912,233.80x = 384,759,371,040.54
  5. Step 5: Solve for x
    x = 384,759,371,040.54/912,233.80
  6. Step 6: Final answer
    x = 421,777.15

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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.