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Finding the Fourth Proportional to 1,275,946.84, 1,760,741.42 and 702,975.48

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Solution

The fourth proportional to 1,275,946.84, 1,760,741.42 and 702,975.48 is: 970,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,946.84 : 1,760,741.42 = 702,975.48 : x
  2. Step 2: Convert to fraction form
    1,275,946.84/1,760,741.42 = 702,975.48/x
  3. Step 3: Cross multiply
    1,275,946.84x = 1,760,741.42 × 702,975.48
  4. Step 4: Simplify right side
    1,275,946.84x = 1,237,758,044,880.38
  5. Step 5: Solve for x
    x = 1,237,758,044,880.38/1,275,946.84
  6. Step 6: Final answer
    x = 970,070.23

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1.5x scale

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.