Home / 945,436-1,417,358.58-439,740.04

Finding the Fourth Proportional to 945,436, 1,417,358.58 and 439,740.04

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Solution

The fourth proportional to 945,436, 1,417,358.58 and 439,740.04 is: 659,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,436 : 1,417,358.58 = 439,740.04 : x
  2. Step 2: Convert to fraction form
    945,436/1,417,358.58 = 439,740.04/x
  3. Step 3: Cross multiply
    945,436x = 1,417,358.58 × 439,740.04
  4. Step 4: Simplify right side
    945,436x = 623,269,318,663.54
  5. Step 5: Solve for x
    x = 623,269,318,663.54/945,436
  6. Step 6: Final answer
    x = 659,240.10

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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.