Home / 456,962.70-630,631.81-253,036.16

Finding the Fourth Proportional to 456,962.70, 630,631.81 and 253,036.16

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Solution

The fourth proportional to 456,962.70, 630,631.81 and 253,036.16 is: 349,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,962.70 : 630,631.81 = 253,036.16 : x
  2. Step 2: Convert to fraction form
    456,962.70/630,631.81 = 253,036.16/x
  3. Step 3: Cross multiply
    456,962.70x = 630,631.81 × 253,036.16
  4. Step 4: Simplify right side
    456,962.70x = 159,572,651,576.25
  5. Step 5: Solve for x
    x = 159,572,651,576.25/456,962.70
  6. Step 6: Final answer
    x = 349,202.79

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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.