Home / 1,900,712.35-2,851,042.57-461,406.81

Finding the Fourth Proportional to 1,900,712.35, 2,851,042.57 and 461,406.81

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Solution

The fourth proportional to 1,900,712.35, 2,851,042.57 and 461,406.81 is: 692,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,712.35 : 2,851,042.57 = 461,406.81 : x
  2. Step 2: Convert to fraction form
    1,900,712.35/2,851,042.57 = 461,406.81/x
  3. Step 3: Cross multiply
    1,900,712.35x = 2,851,042.57 × 461,406.81
  4. Step 4: Simplify right side
    1,900,712.35x = 1,315,490,457,060.31
  5. Step 5: Solve for x
    x = 1,315,490,457,060.31/1,900,712.35
  6. Step 6: Final answer
    x = 692,103.92

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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.