Home / 1,113,918.80-1,536,944.40-630,483.88

Finding the Fourth Proportional to 1,113,918.80, 1,536,944.40 and 630,483.88

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Solution

The fourth proportional to 1,113,918.80, 1,536,944.40 and 630,483.88 is: 869,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,918.80 : 1,536,944.40 = 630,483.88 : x
  2. Step 2: Convert to fraction form
    1,113,918.80/1,536,944.40 = 630,483.88/x
  3. Step 3: Cross multiply
    1,113,918.80x = 1,536,944.40 × 630,483.88
  4. Step 4: Simplify right side
    1,113,918.80x = 969,018,668,656.27
  5. Step 5: Solve for x
    x = 969,018,668,656.27/1,113,918.80
  6. Step 6: Final answer
    x = 869,918.59

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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.