Home / 1,155,876.48-1,595,171.52-646,548.48

Finding the Fourth Proportional to 1,155,876.48, 1,595,171.52 and 646,548.48

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Solution

The fourth proportional to 1,155,876.48, 1,595,171.52 and 646,548.48 is: 892,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,876.48 : 1,595,171.52 = 646,548.48 : x
  2. Step 2: Convert to fraction form
    1,155,876.48/1,595,171.52 = 646,548.48/x
  3. Step 3: Cross multiply
    1,155,876.48x = 1,595,171.52 × 646,548.48
  4. Step 4: Simplify right side
    1,155,876.48x = 1,031,355,721,595.29
  5. Step 5: Solve for x
    x = 1,031,355,721,595.29/1,155,876.48
  6. Step 6: Final answer
    x = 892,271.57

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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.