Home / 1,923,712.40-2,884,888.20-661,246.40

Finding the Fourth Proportional to 1,923,712.40, 2,884,888.20 and 661,246.40

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Solution

The fourth proportional to 1,923,712.40, 2,884,888.20 and 661,246.40 is: 991,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,712.40 : 2,884,888.20 = 661,246.40 : x
  2. Step 2: Convert to fraction form
    1,923,712.40/2,884,888.20 = 661,246.40/x
  3. Step 3: Cross multiply
    1,923,712.40x = 2,884,888.20 × 661,246.40
  4. Step 4: Simplify right side
    1,923,712.40x = 1,907,621,936,652.48
  5. Step 5: Solve for x
    x = 1,907,621,936,652.48/1,923,712.40
  6. Step 6: Final answer
    x = 991,635.72

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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.