Home / 867,054.36-1,196,581.50-485,058.36

Finding the Fourth Proportional to 867,054.36, 1,196,581.50 and 485,058.36

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Solution

The fourth proportional to 867,054.36, 1,196,581.50 and 485,058.36 is: 669,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,054.36 : 1,196,581.50 = 485,058.36 : x
  2. Step 2: Convert to fraction form
    867,054.36/1,196,581.50 = 485,058.36/x
  3. Step 3: Cross multiply
    867,054.36x = 1,196,581.50 × 485,058.36
  4. Step 4: Simplify right side
    867,054.36x = 580,411,859,996.34
  5. Step 5: Solve for x
    x = 580,411,859,996.34/867,054.36
  6. Step 6: Final answer
    x = 669,406.54

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Double scale
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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.