Home / 904,851.77-1,248,806.23-522,878.55

Finding the Fourth Proportional to 904,851.77, 1,248,806.23 and 522,878.55

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Solution

The fourth proportional to 904,851.77, 1,248,806.23 and 522,878.55 is: 721,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,851.77 : 1,248,806.23 = 522,878.55 : x
  2. Step 2: Convert to fraction form
    904,851.77/1,248,806.23 = 522,878.55/x
  3. Step 3: Cross multiply
    904,851.77x = 1,248,806.23 × 522,878.55
  4. Step 4: Simplify right side
    904,851.77x = 652,973,988,158.97
  5. Step 5: Solve for x
    x = 652,973,988,158.97/904,851.77
  6. Step 6: Final answer
    x = 721,636.42

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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.