Home / 689,047.74-951,177.51-646,003.26

Finding the Fourth Proportional to 689,047.74, 951,177.51 and 646,003.26

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Solution

The fourth proportional to 689,047.74, 951,177.51 and 646,003.26 is: 891,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,047.74 : 951,177.51 = 646,003.26 : x
  2. Step 2: Convert to fraction form
    689,047.74/951,177.51 = 646,003.26/x
  3. Step 3: Cross multiply
    689,047.74x = 951,177.51 × 646,003.26
  4. Step 4: Simplify right side
    689,047.74x = 614,463,772,298.68
  5. Step 5: Solve for x
    x = 614,463,772,298.68/689,047.74
  6. Step 6: Final answer
    x = 891,757.91

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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.