Home / 476,315.04-657,278.64-261,420.96

Finding the Fourth Proportional to 476,315.04, 657,278.64 and 261,420.96

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Solution

The fourth proportional to 476,315.04, 657,278.64 and 261,420.96 is: 360,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,315.04 : 657,278.64 = 261,420.96 : x
  2. Step 2: Convert to fraction form
    476,315.04/657,278.64 = 261,420.96/x
  3. Step 3: Cross multiply
    476,315.04x = 657,278.64 × 261,420.96
  4. Step 4: Simplify right side
    476,315.04x = 171,826,413,056.29
  5. Step 5: Solve for x
    x = 171,826,413,056.29/476,315.04
  6. Step 6: Final answer
    x = 360,741.10

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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.