Home / 971,112.92-1,340,106.44-535,530.33

Finding the Fourth Proportional to 971,112.92, 1,340,106.44 and 535,530.33

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Solution

The fourth proportional to 971,112.92, 1,340,106.44 and 535,530.33 is: 739,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,112.92 : 1,340,106.44 = 535,530.33 : x
  2. Step 2: Convert to fraction form
    971,112.92/1,340,106.44 = 535,530.33/x
  3. Step 3: Cross multiply
    971,112.92x = 1,340,106.44 × 535,530.33
  4. Step 4: Simplify right side
    971,112.92x = 717,667,641,370.67
  5. Step 5: Solve for x
    x = 717,667,641,370.67/971,112.92
  6. Step 6: Final answer
    x = 739,015.65

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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.