Home / 1,080,534.57-1,620,870.98-415,686.57

Finding the Fourth Proportional to 1,080,534.57, 1,620,870.98 and 415,686.57

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Solution

The fourth proportional to 1,080,534.57, 1,620,870.98 and 415,686.57 is: 623,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,534.57 : 1,620,870.98 = 415,686.57 : x
  2. Step 2: Convert to fraction form
    1,080,534.57/1,620,870.98 = 415,686.57/x
  3. Step 3: Cross multiply
    1,080,534.57x = 1,620,870.98 × 415,686.57
  4. Step 4: Simplify right side
    1,080,534.57x = 673,774,296,010.31
  5. Step 5: Solve for x
    x = 673,774,296,010.31/1,080,534.57
  6. Step 6: Final answer
    x = 623,556.45

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1.5x scale

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.