Home / 936,499.30-1,292,427.56-528,670.24

Finding the Fourth Proportional to 936,499.30, 1,292,427.56 and 528,670.24

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Solution

The fourth proportional to 936,499.30, 1,292,427.56 and 528,670.24 is: 729,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,499.30 : 1,292,427.56 = 528,670.24 : x
  2. Step 2: Convert to fraction form
    936,499.30/1,292,427.56 = 528,670.24/x
  3. Step 3: Cross multiply
    936,499.30x = 1,292,427.56 × 528,670.24
  4. Step 4: Simplify right side
    936,499.30x = 683,267,986,418.42
  5. Step 5: Solve for x
    x = 683,267,986,418.42/936,499.30
  6. Step 6: Final answer
    x = 729,597.97

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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.