Home / 1,235,975.80-1,853,963.70-525,825.40

Finding the Fourth Proportional to 1,235,975.80, 1,853,963.70 and 525,825.40

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Solution

The fourth proportional to 1,235,975.80, 1,853,963.70 and 525,825.40 is: 788,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,975.80 : 1,853,963.70 = 525,825.40 : x
  2. Step 2: Convert to fraction form
    1,235,975.80/1,853,963.70 = 525,825.40/x
  3. Step 3: Cross multiply
    1,235,975.80x = 1,853,963.70 × 525,825.40
  4. Step 4: Simplify right side
    1,235,975.80x = 974,861,204,137.98
  5. Step 5: Solve for x
    x = 974,861,204,137.98/1,235,975.80
  6. Step 6: Final answer
    x = 788,738.10

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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.