Home / 927,158.60-1,279,676.58-545,403.17

Finding the Fourth Proportional to 927,158.60, 1,279,676.58 and 545,403.17

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Solution

The fourth proportional to 927,158.60, 1,279,676.58 and 545,403.17 is: 752,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,158.60 : 1,279,676.58 = 545,403.17 : x
  2. Step 2: Convert to fraction form
    927,158.60/1,279,676.58 = 545,403.17/x
  3. Step 3: Cross multiply
    927,158.60x = 1,279,676.58 × 545,403.17
  4. Step 4: Simplify right side
    927,158.60x = 697,939,664,460.69
  5. Step 5: Solve for x
    x = 697,939,664,460.69/927,158.60
  6. Step 6: Final answer
    x = 752,772.68

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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.