Home / 936,345.60-1,405,004.40-437,709.60

Finding the Fourth Proportional to 936,345.60, 1,405,004.40 and 437,709.60

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Solution

The fourth proportional to 936,345.60, 1,405,004.40 and 437,709.60 is: 656,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,345.60 : 1,405,004.40 = 437,709.60 : x
  2. Step 2: Convert to fraction form
    936,345.60/1,405,004.40 = 437,709.60/x
  3. Step 3: Cross multiply
    936,345.60x = 1,405,004.40 × 437,709.60
  4. Step 4: Simplify right side
    936,345.60x = 614,983,913,922.24
  5. Step 5: Solve for x
    x = 614,983,913,922.24/936,345.60
  6. Step 6: Final answer
    x = 656,791.59

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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.