Home / 776,179.63-1,071,126.23-436,647.88

Finding the Fourth Proportional to 776,179.63, 1,071,126.23 and 436,647.88

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Solution

The fourth proportional to 776,179.63, 1,071,126.23 and 436,647.88 is: 602,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,179.63 : 1,071,126.23 = 436,647.88 : x
  2. Step 2: Convert to fraction form
    776,179.63/1,071,126.23 = 436,647.88/x
  3. Step 3: Cross multiply
    776,179.63x = 1,071,126.23 × 436,647.88
  4. Step 4: Simplify right side
    776,179.63x = 467,704,997,541.89
  5. Step 5: Solve for x
    x = 467,704,997,541.89/776,179.63
  6. Step 6: Final answer
    x = 602,573.14

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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.