Home / 646,923.40-970,212.30-197,643.40

Finding the Fourth Proportional to 646,923.40, 970,212.30 and 197,643.40

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Solution

The fourth proportional to 646,923.40, 970,212.30 and 197,643.40 is: 296,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,923.40 : 970,212.30 = 197,643.40 : x
  2. Step 2: Convert to fraction form
    646,923.40/970,212.30 = 197,643.40/x
  3. Step 3: Cross multiply
    646,923.40x = 970,212.30 × 197,643.40
  4. Step 4: Simplify right side
    646,923.40x = 191,756,057,693.82
  5. Step 5: Solve for x
    x = 191,756,057,693.82/646,923.40
  6. Step 6: Final answer
    x = 296,412.31

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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.