Home / 1,134,353.20-1,698,030.60-659,628.40

Finding the Fourth Proportional to 1,134,353.20, 1,698,030.60 and 659,628.40

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Solution

The fourth proportional to 1,134,353.20, 1,698,030.60 and 659,628.40 is: 987,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,353.20 : 1,698,030.60 = 659,628.40 : x
  2. Step 2: Convert to fraction form
    1,134,353.20/1,698,030.60 = 659,628.40/x
  3. Step 3: Cross multiply
    1,134,353.20x = 1,698,030.60 × 659,628.40
  4. Step 4: Simplify right side
    1,134,353.20x = 1,120,069,207,829.04
  5. Step 5: Solve for x
    x = 1,120,069,207,829.04/1,134,353.20
  6. Step 6: Final answer
    x = 987,407.81

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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.