Home / 1,709,581.40-2,358,481.02-1,030,131.80

Finding the Fourth Proportional to 1,709,581.40, 2,358,481.02 and 1,030,131.80

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Solution

The fourth proportional to 1,709,581.40, 2,358,481.02 and 1,030,131.80 is: 1,421,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,581.40 : 2,358,481.02 = 1,030,131.80 : x
  2. Step 2: Convert to fraction form
    1,709,581.40/2,358,481.02 = 1,030,131.80/x
  3. Step 3: Cross multiply
    1,709,581.40x = 2,358,481.02 × 1,030,131.80
  4. Step 4: Simplify right side
    1,709,581.40x = 2,429,546,298,398.44
  5. Step 5: Solve for x
    x = 2,429,546,298,398.44/1,709,581.40
  6. Step 6: Final answer
    x = 1,421,135.20

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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.