Home / 461,036.40-636,227.44-257,089.72

Finding the Fourth Proportional to 461,036.40, 636,227.44 and 257,089.72

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Solution

The fourth proportional to 461,036.40, 636,227.44 and 257,089.72 is: 354,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,036.40 : 636,227.44 = 257,089.72 : x
  2. Step 2: Convert to fraction form
    461,036.40/636,227.44 = 257,089.72/x
  3. Step 3: Cross multiply
    461,036.40x = 636,227.44 × 257,089.72
  4. Step 4: Simplify right side
    461,036.40x = 163,567,534,405.92
  5. Step 5: Solve for x
    x = 163,567,534,405.92/461,036.40
  6. Step 6: Final answer
    x = 354,782.26

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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.