Home / 1,172,915.64-1,759,518.32-414,600.80

Finding the Fourth Proportional to 1,172,915.64, 1,759,518.32 and 414,600.80

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Solution

The fourth proportional to 1,172,915.64, 1,759,518.32 and 414,600.80 is: 621,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,915.64 : 1,759,518.32 = 414,600.80 : x
  2. Step 2: Convert to fraction form
    1,172,915.64/1,759,518.32 = 414,600.80/x
  3. Step 3: Cross multiply
    1,172,915.64x = 1,759,518.32 × 414,600.80
  4. Step 4: Simplify right side
    1,172,915.64x = 729,497,692,216.06
  5. Step 5: Solve for x
    x = 729,497,692,216.06/1,172,915.64
  6. Step 6: Final answer
    x = 621,952.40

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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.