Home / 1,923,968.40-2,885,272.20-661,502.40

Finding the Fourth Proportional to 1,923,968.40, 2,885,272.20 and 661,502.40

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Solution

The fourth proportional to 1,923,968.40, 2,885,272.20 and 661,502.40 is: 992,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,968.40 : 2,885,272.20 = 661,502.40 : x
  2. Step 2: Convert to fraction form
    1,923,968.40/2,885,272.20 = 661,502.40/x
  3. Step 3: Cross multiply
    1,923,968.40x = 2,885,272.20 × 661,502.40
  4. Step 4: Simplify right side
    1,923,968.40x = 1,908,614,484,953.28
  5. Step 5: Solve for x
    x = 1,908,614,484,953.28/1,923,968.40
  6. Step 6: Final answer
    x = 992,019.66

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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.