Home / 970,101.03-1,338,740.68-528,573.27

Finding the Fourth Proportional to 970,101.03, 1,338,740.68 and 528,573.27

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Solution

The fourth proportional to 970,101.03, 1,338,740.68 and 528,573.27 is: 729,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,101.03 : 1,338,740.68 = 528,573.27 : x
  2. Step 2: Convert to fraction form
    970,101.03/1,338,740.68 = 528,573.27/x
  3. Step 3: Cross multiply
    970,101.03x = 1,338,740.68 × 528,573.27
  4. Step 4: Simplify right side
    970,101.03x = 707,622,538,909.62
  5. Step 5: Solve for x
    x = 707,622,538,909.62/970,101.03
  6. Step 6: Final answer
    x = 729,431.80

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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.