Home / 912,236.81-1,259,086.64-530,483.81

Finding the Fourth Proportional to 912,236.81, 1,259,086.64 and 530,483.81

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Solution

The fourth proportional to 912,236.81, 1,259,086.64 and 530,483.81 is: 732,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,236.81 : 1,259,086.64 = 530,483.81 : x
  2. Step 2: Convert to fraction form
    912,236.81/1,259,086.64 = 530,483.81/x
  3. Step 3: Cross multiply
    912,236.81x = 1,259,086.64 × 530,483.81
  4. Step 4: Simplify right side
    912,236.81x = 667,925,068,959.45
  5. Step 5: Solve for x
    x = 667,925,068,959.45/912,236.81
  6. Step 6: Final answer
    x = 732,183.86

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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.