Home / 646,828.40-970,069.80-197,548.40

Finding the Fourth Proportional to 646,828.40, 970,069.80 and 197,548.40

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Solution

The fourth proportional to 646,828.40, 970,069.80 and 197,548.40 is: 296,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,828.40 : 970,069.80 = 197,548.40 : x
  2. Step 2: Convert to fraction form
    646,828.40/970,069.80 = 197,548.40/x
  3. Step 3: Cross multiply
    646,828.40x = 970,069.80 × 197,548.40
  4. Step 4: Simplify right side
    646,828.40x = 191,635,736,878.32
  5. Step 5: Solve for x
    x = 191,635,736,878.32/646,828.40
  6. Step 6: Final answer
    x = 296,269.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.