Home / 972,646.76-1,458,800.04-440,042.60

Finding the Fourth Proportional to 972,646.76, 1,458,800.04 and 440,042.60

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Solution

The fourth proportional to 972,646.76, 1,458,800.04 and 440,042.60 is: 659,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,646.76 : 1,458,800.04 = 440,042.60 : x
  2. Step 2: Convert to fraction form
    972,646.76/1,458,800.04 = 440,042.60/x
  3. Step 3: Cross multiply
    972,646.76x = 1,458,800.04 × 440,042.60
  4. Step 4: Simplify right side
    972,646.76x = 641,934,162,481.70
  5. Step 5: Solve for x
    x = 641,934,162,481.70/972,646.76
  6. Step 6: Final answer
    x = 659,986.94

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1.5x scale

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.