Home / 867,055.36-1,196,582.88-485,059.36

Finding the Fourth Proportional to 867,055.36, 1,196,582.88 and 485,059.36

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Solution

The fourth proportional to 867,055.36, 1,196,582.88 and 485,059.36 is: 669,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,055.36 : 1,196,582.88 = 485,059.36 : x
  2. Step 2: Convert to fraction form
    867,055.36/1,196,582.88 = 485,059.36/x
  3. Step 3: Cross multiply
    867,055.36x = 1,196,582.88 × 485,059.36
  4. Step 4: Simplify right side
    867,055.36x = 580,413,725,959.76
  5. Step 5: Solve for x
    x = 580,413,725,959.76/867,055.36
  6. Step 6: Final answer
    x = 669,407.92

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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.