Home / 867,009.48-1,196,446.05-479,801.60

Finding the Fourth Proportional to 867,009.48, 1,196,446.05 and 479,801.60

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Solution

The fourth proportional to 867,009.48, 1,196,446.05 and 479,801.60 is: 662,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,009.48 : 1,196,446.05 = 479,801.60 : x
  2. Step 2: Convert to fraction form
    867,009.48/1,196,446.05 = 479,801.60/x
  3. Step 3: Cross multiply
    867,009.48x = 1,196,446.05 × 479,801.60
  4. Step 4: Simplify right side
    867,009.48x = 574,056,723,121.45
  5. Step 5: Solve for x
    x = 574,056,723,121.45/867,009.48
  6. Step 6: Final answer
    x = 662,111.24

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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.