Home / 821,088.81-1,133,091.86-458,519.04

Finding the Fourth Proportional to 821,088.81, 1,133,091.86 and 458,519.04

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Solution

The fourth proportional to 821,088.81, 1,133,091.86 and 458,519.04 is: 632,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,088.81 : 1,133,091.86 = 458,519.04 : x
  2. Step 2: Convert to fraction form
    821,088.81/1,133,091.86 = 458,519.04/x
  3. Step 3: Cross multiply
    821,088.81x = 1,133,091.86 × 458,519.04
  4. Step 4: Simplify right side
    821,088.81x = 519,544,189,586.42
  5. Step 5: Solve for x
    x = 519,544,189,586.42/821,088.81
  6. Step 6: Final answer
    x = 632,750.30

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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.