Home / 853,048.41-1,280,556.75-433,210.02

Finding the Fourth Proportional to 853,048.41, 1,280,556.75 and 433,210.02

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Solution

The fourth proportional to 853,048.41, 1,280,556.75 and 433,210.02 is: 650,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,048.41 : 1,280,556.75 = 433,210.02 : x
  2. Step 2: Convert to fraction form
    853,048.41/1,280,556.75 = 433,210.02/x
  3. Step 3: Cross multiply
    853,048.41x = 1,280,556.75 × 433,210.02
  4. Step 4: Simplify right side
    853,048.41x = 554,750,015,278.64
  5. Step 5: Solve for x
    x = 554,750,015,278.64/853,048.41
  6. Step 6: Final answer
    x = 650,314.81

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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.