Home / 965,711.40-1,448,307.90-404,629.80

Finding the Fourth Proportional to 965,711.40, 1,448,307.90 and 404,629.80

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Solution

The fourth proportional to 965,711.40, 1,448,307.90 and 404,629.80 is: 606,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,711.40 : 1,448,307.90 = 404,629.80 : x
  2. Step 2: Convert to fraction form
    965,711.40/1,448,307.90 = 404,629.80/x
  3. Step 3: Cross multiply
    965,711.40x = 1,448,307.90 × 404,629.80
  4. Step 4: Simplify right side
    965,711.40x = 586,028,535,915.42
  5. Step 5: Solve for x
    x = 586,028,535,915.42/965,711.40
  6. Step 6: Final answer
    x = 606,836.10

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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.