Home / 840,516.19-1,159,906.85-477,940.08

Finding the Fourth Proportional to 840,516.19, 1,159,906.85 and 477,940.08

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Solution

The fourth proportional to 840,516.19, 1,159,906.85 and 477,940.08 is: 659,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,516.19 : 1,159,906.85 = 477,940.08 : x
  2. Step 2: Convert to fraction form
    840,516.19/1,159,906.85 = 477,940.08/x
  3. Step 3: Cross multiply
    840,516.19x = 1,159,906.85 × 477,940.08
  4. Step 4: Simplify right side
    840,516.19x = 554,365,972,681.55
  5. Step 5: Solve for x
    x = 554,365,972,681.55/840,516.19
  6. Step 6: Final answer
    x = 659,554.19

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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.