Home / 1,167,191.76-1,610,724.63-630,647.76

Finding the Fourth Proportional to 1,167,191.76, 1,610,724.63 and 630,647.76

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Solution

The fourth proportional to 1,167,191.76, 1,610,724.63 and 630,647.76 is: 870,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,191.76 : 1,610,724.63 = 630,647.76 : x
  2. Step 2: Convert to fraction form
    1,167,191.76/1,610,724.63 = 630,647.76/x
  3. Step 3: Cross multiply
    1,167,191.76x = 1,610,724.63 × 630,647.76
  4. Step 4: Simplify right side
    1,167,191.76x = 1,015,799,879,886.33
  5. Step 5: Solve for x
    x = 1,015,799,879,886.33/1,167,191.76
  6. Step 6: Final answer
    x = 870,293.91

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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.