Home / 1,274,090.40-1,913,986.80-1,064,138.40

Finding the Fourth Proportional to 1,274,090.40, 1,913,986.80 and 1,064,138.40

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Solution

The fourth proportional to 1,274,090.40, 1,913,986.80 and 1,064,138.40 is: 1,598,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,090.40 : 1,913,986.80 = 1,064,138.40 : x
  2. Step 2: Convert to fraction form
    1,274,090.40/1,913,986.80 = 1,064,138.40/x
  3. Step 3: Cross multiply
    1,274,090.40x = 1,913,986.80 × 1,064,138.40
  4. Step 4: Simplify right side
    1,274,090.40x = 2,036,746,850,973.12
  5. Step 5: Solve for x
    x = 2,036,746,850,973.12/1,274,090.40
  6. Step 6: Final answer
    x = 1,598,588.96

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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.