Home / 1,281,566.31-1,922,351.28-523,407.90

Finding the Fourth Proportional to 1,281,566.31, 1,922,351.28 and 523,407.90

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Solution

The fourth proportional to 1,281,566.31, 1,922,351.28 and 523,407.90 is: 785,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,566.31 : 1,922,351.28 = 523,407.90 : x
  2. Step 2: Convert to fraction form
    1,281,566.31/1,922,351.28 = 523,407.90/x
  3. Step 3: Cross multiply
    1,281,566.31x = 1,922,351.28 × 523,407.90
  4. Step 4: Simplify right side
    1,281,566.31x = 1,006,173,849,310.74
  5. Step 5: Solve for x
    x = 1,006,173,849,310.74/1,281,566.31
  6. Step 6: Final answer
    x = 785,112.60

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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.