Home / 867,325.81-1,196,919.04-480,147.65

Finding the Fourth Proportional to 867,325.81, 1,196,919.04 and 480,147.65

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Solution

The fourth proportional to 867,325.81, 1,196,919.04 and 480,147.65 is: 662,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,325.81 : 1,196,919.04 = 480,147.65 : x
  2. Step 2: Convert to fraction form
    867,325.81/1,196,919.04 = 480,147.65/x
  3. Step 3: Cross multiply
    867,325.81x = 1,196,919.04 × 480,147.65
  4. Step 4: Simplify right side
    867,325.81x = 574,697,864,296.26
  5. Step 5: Solve for x
    x = 574,697,864,296.26/867,325.81
  6. Step 6: Final answer
    x = 662,608.97

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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.