Home / 818,853.92-1,130,003.28-446,320.06

Finding the Fourth Proportional to 818,853.92, 1,130,003.28 and 446,320.06

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Solution

The fourth proportional to 818,853.92, 1,130,003.28 and 446,320.06 is: 615,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,853.92 : 1,130,003.28 = 446,320.06 : x
  2. Step 2: Convert to fraction form
    818,853.92/1,130,003.28 = 446,320.06/x
  3. Step 3: Cross multiply
    818,853.92x = 1,130,003.28 × 446,320.06
  4. Step 4: Simplify right side
    818,853.92x = 504,343,130,465.65
  5. Step 5: Solve for x
    x = 504,343,130,465.65/818,853.92
  6. Step 6: Final answer
    x = 615,913.43

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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.