Home / 1,026,670.80-1,540,268.64-395,415.12

Finding the Fourth Proportional to 1,026,670.80, 1,540,268.64 and 395,415.12

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Solution

The fourth proportional to 1,026,670.80, 1,540,268.64 and 395,415.12 is: 593,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,670.80 : 1,540,268.64 = 395,415.12 : x
  2. Step 2: Convert to fraction form
    1,026,670.80/1,540,268.64 = 395,415.12/x
  3. Step 3: Cross multiply
    1,026,670.80x = 1,540,268.64 × 395,415.12
  4. Step 4: Simplify right side
    1,026,670.80x = 609,045,509,117.84
  5. Step 5: Solve for x
    x = 609,045,509,117.84/1,026,670.80
  6. Step 6: Final answer
    x = 593,223.76

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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.