Home / 941,792.49-1,299,637.80-512,072.98

Finding the Fourth Proportional to 941,792.49, 1,299,637.80 and 512,072.98

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Solution

The fourth proportional to 941,792.49, 1,299,637.80 and 512,072.98 is: 706,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,792.49 : 1,299,637.80 = 512,072.98 : x
  2. Step 2: Convert to fraction form
    941,792.49/1,299,637.80 = 512,072.98/x
  3. Step 3: Cross multiply
    941,792.49x = 1,299,637.80 × 512,072.98
  4. Step 4: Simplify right side
    941,792.49x = 665,509,394,668.46
  5. Step 5: Solve for x
    x = 665,509,394,668.46/941,792.49
  6. Step 6: Final answer
    x = 706,641.22

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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.