Home / 767,304.72-1,059,549.12-481,316.40

Finding the Fourth Proportional to 767,304.72, 1,059,549.12 and 481,316.40

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Solution

The fourth proportional to 767,304.72, 1,059,549.12 and 481,316.40 is: 664,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,304.72 : 1,059,549.12 = 481,316.40 : x
  2. Step 2: Convert to fraction form
    767,304.72/1,059,549.12 = 481,316.40/x
  3. Step 3: Cross multiply
    767,304.72x = 1,059,549.12 × 481,316.40
  4. Step 4: Simplify right side
    767,304.72x = 509,978,368,061.57
  5. Step 5: Solve for x
    x = 509,978,368,061.57/767,304.72
  6. Step 6: Final answer
    x = 664,636.04

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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.