Home / 476,966.07-657,939.11-297,807.03

Finding the Fourth Proportional to 476,966.07, 657,939.11 and 297,807.03

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Solution

The fourth proportional to 476,966.07, 657,939.11 and 297,807.03 is: 410,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,966.07 : 657,939.11 = 297,807.03 : x
  2. Step 2: Convert to fraction form
    476,966.07/657,939.11 = 297,807.03/x
  3. Step 3: Cross multiply
    476,966.07x = 657,939.11 × 297,807.03
  4. Step 4: Simplify right side
    476,966.07x = 195,938,890,780.91
  5. Step 5: Solve for x
    x = 195,938,890,780.91/476,966.07
  6. Step 6: Final answer
    x = 410,802.58

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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.