Home / 1,235,078.40-1,852,790.40-525,100.80

Finding the Fourth Proportional to 1,235,078.40, 1,852,790.40 and 525,100.80

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Solution

The fourth proportional to 1,235,078.40, 1,852,790.40 and 525,100.80 is: 787,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,078.40 : 1,852,790.40 = 525,100.80 : x
  2. Step 2: Convert to fraction form
    1,235,078.40/1,852,790.40 = 525,100.80/x
  3. Step 3: Cross multiply
    1,235,078.40x = 1,852,790.40 × 525,100.80
  4. Step 4: Simplify right side
    1,235,078.40x = 972,901,721,272.32
  5. Step 5: Solve for x
    x = 972,901,721,272.32/1,235,078.40
  6. Step 6: Final answer
    x = 787,724.67

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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.