Home / 1,139,483.92-1,572,519.36-630,218.56

Finding the Fourth Proportional to 1,139,483.92, 1,572,519.36 and 630,218.56

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Solution

The fourth proportional to 1,139,483.92, 1,572,519.36 and 630,218.56 is: 869,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,483.92 : 1,572,519.36 = 630,218.56 : x
  2. Step 2: Convert to fraction form
    1,139,483.92/1,572,519.36 = 630,218.56/x
  3. Step 3: Cross multiply
    1,139,483.92x = 1,572,519.36 × 630,218.56
  4. Step 4: Simplify right side
    1,139,483.92x = 991,030,886,631.32
  5. Step 5: Solve for x
    x = 991,030,886,631.32/1,139,483.92
  6. Step 6: Final answer
    x = 869,719.06

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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.