Home / 1,107,966.52-1,528,653.90-677,798.20

Finding the Fourth Proportional to 1,107,966.52, 1,528,653.90 and 677,798.20

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Solution

The fourth proportional to 1,107,966.52, 1,528,653.90 and 677,798.20 is: 935,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,966.52 : 1,528,653.90 = 677,798.20 : x
  2. Step 2: Convert to fraction form
    1,107,966.52/1,528,653.90 = 677,798.20/x
  3. Step 3: Cross multiply
    1,107,966.52x = 1,528,653.90 × 677,798.20
  4. Step 4: Simplify right side
    1,107,966.52x = 1,036,118,861,842.98
  5. Step 5: Solve for x
    x = 1,036,118,861,842.98/1,107,966.52
  6. Step 6: Final answer
    x = 935,153.58

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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.