Home / 906,486.56-1,251,057.76-519,427.28

Finding the Fourth Proportional to 906,486.56, 1,251,057.76 and 519,427.28

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Solution

The fourth proportional to 906,486.56, 1,251,057.76 and 519,427.28 is: 716,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,486.56 : 1,251,057.76 = 519,427.28 : x
  2. Step 2: Convert to fraction form
    906,486.56/1,251,057.76 = 519,427.28/x
  3. Step 3: Cross multiply
    906,486.56x = 1,251,057.76 × 519,427.28
  4. Step 4: Simplify right side
    906,486.56x = 649,833,531,228.77
  5. Step 5: Solve for x
    x = 649,833,531,228.77/906,486.56
  6. Step 6: Final answer
    x = 716,870.56

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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.