Home / 1,492,131.20-2,238,196.80-1,043,358.80

Finding the Fourth Proportional to 1,492,131.20, 2,238,196.80 and 1,043,358.80

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Solution

The fourth proportional to 1,492,131.20, 2,238,196.80 and 1,043,358.80 is: 1,565,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,131.20 : 2,238,196.80 = 1,043,358.80 : x
  2. Step 2: Convert to fraction form
    1,492,131.20/2,238,196.80 = 1,043,358.80/x
  3. Step 3: Cross multiply
    1,492,131.20x = 2,238,196.80 × 1,043,358.80
  4. Step 4: Simplify right side
    1,492,131.20x = 2,335,242,327,411.84
  5. Step 5: Solve for x
    x = 2,335,242,327,411.84/1,492,131.20
  6. Step 6: Final answer
    x = 1,565,038.20

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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.