Home / 1,292,074.40-1,783,044.90-719,114.48

Finding the Fourth Proportional to 1,292,074.40, 1,783,044.90 and 719,114.48

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Solution

The fourth proportional to 1,292,074.40, 1,783,044.90 and 719,114.48 is: 992,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,074.40 : 1,783,044.90 = 719,114.48 : x
  2. Step 2: Convert to fraction form
    1,292,074.40/1,783,044.90 = 719,114.48/x
  3. Step 3: Cross multiply
    1,292,074.40x = 1,783,044.90 × 719,114.48
  4. Step 4: Simplify right side
    1,292,074.40x = 1,282,213,406,080.15
  5. Step 5: Solve for x
    x = 1,282,213,406,080.15/1,292,074.40
  6. Step 6: Final answer
    x = 992,368.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.