Home / 808,516.07-1,115,749.94-464,374.31

Finding the Fourth Proportional to 808,516.07, 1,115,749.94 and 464,374.31

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Solution

The fourth proportional to 808,516.07, 1,115,749.94 and 464,374.31 is: 640,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,516.07 : 1,115,749.94 = 464,374.31 : x
  2. Step 2: Convert to fraction form
    808,516.07/1,115,749.94 = 464,374.31/x
  3. Step 3: Cross multiply
    808,516.07x = 1,115,749.94 × 464,374.31
  4. Step 4: Simplify right side
    808,516.07x = 518,125,600,619.42
  5. Step 5: Solve for x
    x = 518,125,600,619.42/808,516.07
  6. Step 6: Final answer
    x = 640,835.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.