Home / 867,398.83-1,196,984.67-480,231.50

Finding the Fourth Proportional to 867,398.83, 1,196,984.67 and 480,231.50

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Solution

The fourth proportional to 867,398.83, 1,196,984.67 and 480,231.50 is: 662,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,398.83 : 1,196,984.67 = 480,231.50 : x
  2. Step 2: Convert to fraction form
    867,398.83/1,196,984.67 = 480,231.50/x
  3. Step 3: Cross multiply
    867,398.83x = 1,196,984.67 × 480,231.50
  4. Step 4: Simplify right side
    867,398.83x = 574,829,743,551.11
  5. Step 5: Solve for x
    x = 574,829,743,551.11/867,398.83
  6. Step 6: Final answer
    x = 662,705.24

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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.