Home / 476,308.14-657,312.75-261,468.06

Finding the Fourth Proportional to 476,308.14, 657,312.75 and 261,468.06

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Solution

The fourth proportional to 476,308.14, 657,312.75 and 261,468.06 is: 360,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,308.14 : 657,312.75 = 261,468.06 : x
  2. Step 2: Convert to fraction form
    476,308.14/657,312.75 = 261,468.06/x
  3. Step 3: Cross multiply
    476,308.14x = 657,312.75 × 261,468.06
  4. Step 4: Simplify right side
    476,308.14x = 171,866,289,555.77
  5. Step 5: Solve for x
    x = 171,866,289,555.77/476,308.14
  6. Step 6: Final answer
    x = 360,830.05

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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.