Home / 936,330.42-1,292,140.38-528,449.46

Finding the Fourth Proportional to 936,330.42, 1,292,140.38 and 528,449.46

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Solution

The fourth proportional to 936,330.42, 1,292,140.38 and 528,449.46 is: 729,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,330.42 : 1,292,140.38 = 528,449.46 : x
  2. Step 2: Convert to fraction form
    936,330.42/1,292,140.38 = 528,449.46/x
  3. Step 3: Cross multiply
    936,330.42x = 1,292,140.38 × 528,449.46
  4. Step 4: Simplify right side
    936,330.42x = 682,830,886,055.20
  5. Step 5: Solve for x
    x = 682,830,886,055.20/936,330.42
  6. Step 6: Final answer
    x = 729,262.74

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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.