Home / 1,113,603.60-1,670,405.40-777,680.40

Finding the Fourth Proportional to 1,113,603.60, 1,670,405.40 and 777,680.40

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Solution

The fourth proportional to 1,113,603.60, 1,670,405.40 and 777,680.40 is: 1,166,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,603.60 : 1,670,405.40 = 777,680.40 : x
  2. Step 2: Convert to fraction form
    1,113,603.60/1,670,405.40 = 777,680.40/x
  3. Step 3: Cross multiply
    1,113,603.60x = 1,670,405.40 × 777,680.40
  4. Step 4: Simplify right side
    1,113,603.60x = 1,299,041,539,634.16
  5. Step 5: Solve for x
    x = 1,299,041,539,634.16/1,113,603.60
  6. Step 6: Final answer
    x = 1,166,520.60

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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.