Home / 939,895.84-1,297,059.20-510,176.32

Finding the Fourth Proportional to 939,895.84, 1,297,059.20 and 510,176.32

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Solution

The fourth proportional to 939,895.84, 1,297,059.20 and 510,176.32 is: 704,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,895.84 : 1,297,059.20 = 510,176.32 : x
  2. Step 2: Convert to fraction form
    939,895.84/1,297,059.20 = 510,176.32/x
  3. Step 3: Cross multiply
    939,895.84x = 1,297,059.20 × 510,176.32
  4. Step 4: Simplify right side
    939,895.84x = 661,728,889,478.14
  5. Step 5: Solve for x
    x = 661,728,889,478.14/939,895.84
  6. Step 6: Final answer
    x = 704,044.92

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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.