Home / 1,389,066.57-2,077,915.68-1,049,583.69

Finding the Fourth Proportional to 1,389,066.57, 2,077,915.68 and 1,049,583.69

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Solution

The fourth proportional to 1,389,066.57, 2,077,915.68 and 1,049,583.69 is: 1,570,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,066.57 : 2,077,915.68 = 1,049,583.69 : x
  2. Step 2: Convert to fraction form
    1,389,066.57/2,077,915.68 = 1,049,583.69/x
  3. Step 3: Cross multiply
    1,389,066.57x = 2,077,915.68 × 1,049,583.69
  4. Step 4: Simplify right side
    1,389,066.57x = 2,180,946,406,923.26
  5. Step 5: Solve for x
    x = 2,180,946,406,923.26/1,389,066.57
  6. Step 6: Final answer
    x = 1,570,080.55

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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.