Home / 713,746.11-1,070,280.18-414,318.54

Finding the Fourth Proportional to 713,746.11, 1,070,280.18 and 414,318.54

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Solution

The fourth proportional to 713,746.11, 1,070,280.18 and 414,318.54 is: 621,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,746.11 : 1,070,280.18 = 414,318.54 : x
  2. Step 2: Convert to fraction form
    713,746.11/1,070,280.18 = 414,318.54/x
  3. Step 3: Cross multiply
    713,746.11x = 1,070,280.18 × 414,318.54
  4. Step 4: Simplify right side
    713,746.11x = 443,436,921,568.54
  5. Step 5: Solve for x
    x = 443,436,921,568.54/713,746.11
  6. Step 6: Final answer
    x = 621,281.03

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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.