Home / 714,585.30-1,070,476.62-414,435.48

Finding the Fourth Proportional to 714,585.30, 1,070,476.62 and 414,435.48

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Solution

The fourth proportional to 714,585.30, 1,070,476.62 and 414,435.48 is: 620,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,585.30 : 1,070,476.62 = 414,435.48 : x
  2. Step 2: Convert to fraction form
    714,585.30/1,070,476.62 = 414,435.48/x
  3. Step 3: Cross multiply
    714,585.30x = 1,070,476.62 × 414,435.48
  4. Step 4: Simplify right side
    714,585.30x = 443,643,491,838.48
  5. Step 5: Solve for x
    x = 443,643,491,838.48/714,585.30
  6. Step 6: Final answer
    x = 620,840.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.