Home / 1,155,971.48-1,595,203.62-646,662.92

Finding the Fourth Proportional to 1,155,971.48, 1,595,203.62 and 646,662.92

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Solution

The fourth proportional to 1,155,971.48, 1,595,203.62 and 646,662.92 is: 892,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,971.48 : 1,595,203.62 = 646,662.92 : x
  2. Step 2: Convert to fraction form
    1,155,971.48/1,595,203.62 = 646,662.92/x
  3. Step 3: Cross multiply
    1,155,971.48x = 1,595,203.62 × 646,662.92
  4. Step 4: Simplify right side
    1,155,971.48x = 1,031,559,030,903.77
  5. Step 5: Solve for x
    x = 1,031,559,030,903.77/1,155,971.48
  6. Step 6: Final answer
    x = 892,374.12

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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.