Home / 936,282.60-1,402,047.90-515,082.60

Finding the Fourth Proportional to 936,282.60, 1,402,047.90 and 515,082.60

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Solution

The fourth proportional to 936,282.60, 1,402,047.90 and 515,082.60 is: 771,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,282.60 : 1,402,047.90 = 515,082.60 : x
  2. Step 2: Convert to fraction form
    936,282.60/1,402,047.90 = 515,082.60/x
  3. Step 3: Cross multiply
    936,282.60x = 1,402,047.90 × 515,082.60
  4. Step 4: Simplify right side
    936,282.60x = 722,170,477,656.54
  5. Step 5: Solve for x
    x = 722,170,477,656.54/936,282.60
  6. Step 6: Final answer
    x = 771,316.78

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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.