Home / 867,054.86-1,196,582.19-485,058.86

Finding the Fourth Proportional to 867,054.86, 1,196,582.19 and 485,058.86

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Solution

The fourth proportional to 867,054.86, 1,196,582.19 and 485,058.86 is: 669,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,054.86 : 1,196,582.19 = 485,058.86 : x
  2. Step 2: Convert to fraction form
    867,054.86/1,196,582.19 = 485,058.86/x
  3. Step 3: Cross multiply
    867,054.86x = 1,196,582.19 × 485,058.86
  4. Step 4: Simplify right side
    867,054.86x = 580,412,792,977.70
  5. Step 5: Solve for x
    x = 580,412,792,977.70/867,054.86
  6. Step 6: Final answer
    x = 669,407.23

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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.