Home / 487,696.48-672,994.02-272,795.02

Finding the Fourth Proportional to 487,696.48, 672,994.02 and 272,795.02

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Solution

The fourth proportional to 487,696.48, 672,994.02 and 272,795.02 is: 376,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,696.48 : 672,994.02 = 272,795.02 : x
  2. Step 2: Convert to fraction form
    487,696.48/672,994.02 = 272,795.02/x
  3. Step 3: Cross multiply
    487,696.48x = 672,994.02 × 272,795.02
  4. Step 4: Simplify right side
    487,696.48x = 183,589,417,145.78
  5. Step 5: Solve for x
    x = 183,589,417,145.78/487,696.48
  6. Step 6: Final answer
    x = 376,441.96

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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.