Home / 1,585,539.08-2,187,128.88-1,011,932.72

Finding the Fourth Proportional to 1,585,539.08, 2,187,128.88 and 1,011,932.72

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Solution

The fourth proportional to 1,585,539.08, 2,187,128.88 and 1,011,932.72 is: 1,395,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,539.08 : 2,187,128.88 = 1,011,932.72 : x
  2. Step 2: Convert to fraction form
    1,585,539.08/2,187,128.88 = 1,011,932.72/x
  3. Step 3: Cross multiply
    1,585,539.08x = 2,187,128.88 × 1,011,932.72
  4. Step 4: Simplify right side
    1,585,539.08x = 2,213,227,276,528.95
  5. Step 5: Solve for x
    x = 2,213,227,276,528.95/1,585,539.08
  6. Step 6: Final answer
    x = 1,395,883.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.