Home / 507,621.90-761,214.15-254,804.70

Finding the Fourth Proportional to 507,621.90, 761,214.15 and 254,804.70

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Solution

The fourth proportional to 507,621.90, 761,214.15 and 254,804.70 is: 382,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,621.90 : 761,214.15 = 254,804.70 : x
  2. Step 2: Convert to fraction form
    507,621.90/761,214.15 = 254,804.70/x
  3. Step 3: Cross multiply
    507,621.90x = 761,214.15 × 254,804.70
  4. Step 4: Simplify right side
    507,621.90x = 193,960,943,126.51
  5. Step 5: Solve for x
    x = 193,960,943,126.51/507,621.90
  6. Step 6: Final answer
    x = 382,097.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.