Home / 910,762.26-1,256,962.62-528,789.03

Finding the Fourth Proportional to 910,762.26, 1,256,962.62 and 528,789.03

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Solution

The fourth proportional to 910,762.26, 1,256,962.62 and 528,789.03 is: 729,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,762.26 : 1,256,962.62 = 528,789.03 : x
  2. Step 2: Convert to fraction form
    910,762.26/1,256,962.62 = 528,789.03/x
  3. Step 3: Cross multiply
    910,762.26x = 1,256,962.62 × 528,789.03
  4. Step 4: Simplify right side
    910,762.26x = 664,668,044,576.06
  5. Step 5: Solve for x
    x = 664,668,044,576.06/910,762.26
  6. Step 6: Final answer
    x = 729,793.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.