Home / 746,299.64-1,030,539.44-707,992.35

Finding the Fourth Proportional to 746,299.64, 1,030,539.44 and 707,992.35

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Solution

The fourth proportional to 746,299.64, 1,030,539.44 and 707,992.35 is: 977,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,299.64 : 1,030,539.44 = 707,992.35 : x
  2. Step 2: Convert to fraction form
    746,299.64/1,030,539.44 = 707,992.35/x
  3. Step 3: Cross multiply
    746,299.64x = 1,030,539.44 × 707,992.35
  4. Step 4: Simplify right side
    746,299.64x = 729,614,037,798.74
  5. Step 5: Solve for x
    x = 729,614,037,798.74/746,299.64
  6. Step 6: Final answer
    x = 977,642.22

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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.