Home / 867,479.35-1,196,281.69-676,423.03

Finding the Fourth Proportional to 867,479.35, 1,196,281.69 and 676,423.03

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Solution

The fourth proportional to 867,479.35, 1,196,281.69 and 676,423.03 is: 932,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,479.35 : 1,196,281.69 = 676,423.03 : x
  2. Step 2: Convert to fraction form
    867,479.35/1,196,281.69 = 676,423.03/x
  3. Step 3: Cross multiply
    867,479.35x = 1,196,281.69 × 676,423.03
  4. Step 4: Simplify right side
    867,479.35x = 809,192,485,483.32
  5. Step 5: Solve for x
    x = 809,192,485,483.32/867,479.35
  6. Step 6: Final answer
    x = 932,808.93

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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.