Home / 1,073,421.40-1,481,461.68-692,556.16

Finding the Fourth Proportional to 1,073,421.40, 1,481,461.68 and 692,556.16

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Solution

The fourth proportional to 1,073,421.40, 1,481,461.68 and 692,556.16 is: 955,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,421.40 : 1,481,461.68 = 692,556.16 : x
  2. Step 2: Convert to fraction form
    1,073,421.40/1,481,461.68 = 692,556.16/x
  3. Step 3: Cross multiply
    1,073,421.40x = 1,481,461.68 × 692,556.16
  4. Step 4: Simplify right side
    1,073,421.40x = 1,025,995,412,287.95
  5. Step 5: Solve for x
    x = 1,025,995,412,287.95/1,073,421.40
  6. Step 6: Final answer
    x = 955,817.92

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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.