Home / 1,158,196.83-1,598,407.38-642,112.67

Finding the Fourth Proportional to 1,158,196.83, 1,598,407.38 and 642,112.67

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Solution

The fourth proportional to 1,158,196.83, 1,598,407.38 and 642,112.67 is: 886,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,196.83 : 1,598,407.38 = 642,112.67 : x
  2. Step 2: Convert to fraction form
    1,158,196.83/1,598,407.38 = 642,112.67/x
  3. Step 3: Cross multiply
    1,158,196.83x = 1,598,407.38 × 642,112.67
  4. Step 4: Simplify right side
    1,158,196.83x = 1,026,357,630,519.50
  5. Step 5: Solve for x
    x = 1,026,357,630,519.50/1,158,196.83
  6. Step 6: Final answer
    x = 886,168.57

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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.