Home / 941,809.30-1,299,681.39-512,100.25

Finding the Fourth Proportional to 941,809.30, 1,299,681.39 and 512,100.25

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Solution

The fourth proportional to 941,809.30, 1,299,681.39 and 512,100.25 is: 706,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,809.30 : 1,299,681.39 = 512,100.25 : x
  2. Step 2: Convert to fraction form
    941,809.30/1,299,681.39 = 512,100.25/x
  3. Step 3: Cross multiply
    941,809.30x = 1,299,681.39 × 512,100.25
  4. Step 4: Simplify right side
    941,809.30x = 665,567,164,739.35
  5. Step 5: Solve for x
    x = 665,567,164,739.35/941,809.30
  6. Step 6: Final answer
    x = 706,689.95

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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.