Home / 1,618,674.40-2,428,011.60-553,556.80

Finding the Fourth Proportional to 1,618,674.40, 2,428,011.60 and 553,556.80

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Solution

The fourth proportional to 1,618,674.40, 2,428,011.60 and 553,556.80 is: 830,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,674.40 : 2,428,011.60 = 553,556.80 : x
  2. Step 2: Convert to fraction form
    1,618,674.40/2,428,011.60 = 553,556.80/x
  3. Step 3: Cross multiply
    1,618,674.40x = 2,428,011.60 × 553,556.80
  4. Step 4: Simplify right side
    1,618,674.40x = 1,344,042,331,658.88
  5. Step 5: Solve for x
    x = 1,344,042,331,658.88/1,618,674.40
  6. Step 6: Final answer
    x = 830,335.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.