Home / 453,904.61-626,390.14-272,619.62

Finding the Fourth Proportional to 453,904.61, 626,390.14 and 272,619.62

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Solution

The fourth proportional to 453,904.61, 626,390.14 and 272,619.62 is: 376,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.61 : 626,390.14 = 272,619.62 : x
  2. Step 2: Convert to fraction form
    453,904.61/626,390.14 = 272,619.62/x
  3. Step 3: Cross multiply
    453,904.61x = 626,390.14 × 272,619.62
  4. Step 4: Simplify right side
    453,904.61x = 170,766,243,741.87
  5. Step 5: Solve for x
    x = 170,766,243,741.87/453,904.61
  6. Step 6: Final answer
    x = 376,216.15

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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.