Home / 456,588.18-630,036.48-263,059.20

Finding the Fourth Proportional to 456,588.18, 630,036.48 and 263,059.20

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Solution

The fourth proportional to 456,588.18, 630,036.48 and 263,059.20 is: 362,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,588.18 : 630,036.48 = 263,059.20 : x
  2. Step 2: Convert to fraction form
    456,588.18/630,036.48 = 263,059.20/x
  3. Step 3: Cross multiply
    456,588.18x = 630,036.48 × 263,059.20
  4. Step 4: Simplify right side
    456,588.18x = 165,736,892,399.62
  5. Step 5: Solve for x
    x = 165,736,892,399.62/456,588.18
  6. Step 6: Final answer
    x = 362,989.89

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1.5x scale

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.