Home / 867,290.19-1,196,802.65-480,079.41

Finding the Fourth Proportional to 867,290.19, 1,196,802.65 and 480,079.41

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Solution

The fourth proportional to 867,290.19, 1,196,802.65 and 480,079.41 is: 662,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,290.19 : 1,196,802.65 = 480,079.41 : x
  2. Step 2: Convert to fraction form
    867,290.19/1,196,802.65 = 480,079.41/x
  3. Step 3: Cross multiply
    867,290.19x = 1,196,802.65 × 480,079.41
  4. Step 4: Simplify right side
    867,290.19x = 574,560,311,298.64
  5. Step 5: Solve for x
    x = 574,560,311,298.64/867,290.19
  6. Step 6: Final answer
    x = 662,477.59

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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.