Home / 904,850.77-1,248,804.85-522,877.55

Finding the Fourth Proportional to 904,850.77, 1,248,804.85 and 522,877.55

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Solution

The fourth proportional to 904,850.77, 1,248,804.85 and 522,877.55 is: 721,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,850.77 : 1,248,804.85 = 522,877.55 : x
  2. Step 2: Convert to fraction form
    904,850.77/1,248,804.85 = 522,877.55/x
  3. Step 3: Cross multiply
    904,850.77x = 1,248,804.85 × 522,877.55
  4. Step 4: Simplify right side
    904,850.77x = 652,972,019,669.53
  5. Step 5: Solve for x
    x = 652,972,019,669.53/904,850.77
  6. Step 6: Final answer
    x = 721,635.04

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Double scale
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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.