Home / 461,089.40-636,290.70-257,146.52

Finding the Fourth Proportional to 461,089.40, 636,290.70 and 257,146.52

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Solution

The fourth proportional to 461,089.40, 636,290.70 and 257,146.52 is: 354,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,089.40 : 636,290.70 = 257,146.52 : x
  2. Step 2: Convert to fraction form
    461,089.40/636,290.70 = 257,146.52/x
  3. Step 3: Cross multiply
    461,089.40x = 636,290.70 × 257,146.52
  4. Step 4: Simplify right side
    461,089.40x = 163,619,939,213.36
  5. Step 5: Solve for x
    x = 163,619,939,213.36/461,089.40
  6. Step 6: Final answer
    x = 354,855.13

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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.