Home / 821,255.41-1,133,220.47-458,633.04

Finding the Fourth Proportional to 821,255.41, 1,133,220.47 and 458,633.04

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Solution

The fourth proportional to 821,255.41, 1,133,220.47 and 458,633.04 is: 632,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,255.41 : 1,133,220.47 = 458,633.04 : x
  2. Step 2: Convert to fraction form
    821,255.41/1,133,220.47 = 458,633.04/x
  3. Step 3: Cross multiply
    821,255.41x = 1,133,220.47 × 458,633.04
  4. Step 4: Simplify right side
    821,255.41x = 519,732,343,480.23
  5. Step 5: Solve for x
    x = 519,732,343,480.23/821,255.41
  6. Step 6: Final answer
    x = 632,851.04

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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.