Home / 884,420.66-1,220,533.44-502,512.14

Finding the Fourth Proportional to 884,420.66, 1,220,533.44 and 502,512.14

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Solution

The fourth proportional to 884,420.66, 1,220,533.44 and 502,512.14 is: 693,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,420.66 : 1,220,533.44 = 502,512.14 : x
  2. Step 2: Convert to fraction form
    884,420.66/1,220,533.44 = 502,512.14/x
  3. Step 3: Cross multiply
    884,420.66x = 1,220,533.44 × 502,512.14
  4. Step 4: Simplify right side
    884,420.66x = 613,332,870,875.96
  5. Step 5: Solve for x
    x = 613,332,870,875.96/884,420.66
  6. Step 6: Final answer
    x = 693,485.46

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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.