Home / 1,235,908.40-1,852,480.20-525,815.60

Finding the Fourth Proportional to 1,235,908.40, 1,852,480.20 and 525,815.60

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Solution

The fourth proportional to 1,235,908.40, 1,852,480.20 and 525,815.60 is: 788,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,908.40 : 1,852,480.20 = 525,815.60 : x
  2. Step 2: Convert to fraction form
    1,235,908.40/1,852,480.20 = 525,815.60/x
  3. Step 3: Cross multiply
    1,235,908.40x = 1,852,480.20 × 525,815.60
  4. Step 4: Simplify right side
    1,235,908.40x = 974,062,987,851.12
  5. Step 5: Solve for x
    x = 974,062,987,851.12/1,235,908.40
  6. Step 6: Final answer
    x = 788,135.26

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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.