Home / 879,414.21-1,213,904.21-535,092.93

Finding the Fourth Proportional to 879,414.21, 1,213,904.21 and 535,092.93

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Solution

The fourth proportional to 879,414.21, 1,213,904.21 and 535,092.93 is: 738,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,414.21 : 1,213,904.21 = 535,092.93 : x
  2. Step 2: Convert to fraction form
    879,414.21/1,213,904.21 = 535,092.93/x
  3. Step 3: Cross multiply
    879,414.21x = 1,213,904.21 × 535,092.93
  4. Step 4: Simplify right side
    879,414.21x = 649,551,557,792.77
  5. Step 5: Solve for x
    x = 649,551,557,792.77/879,414.21
  6. Step 6: Final answer
    x = 738,618.45

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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.