Home / 753,000.24-1,039,233.96-430,665.60

Finding the Fourth Proportional to 753,000.24, 1,039,233.96 and 430,665.60

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Solution

The fourth proportional to 753,000.24, 1,039,233.96 and 430,665.60 is: 594,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,000.24 : 1,039,233.96 = 430,665.60 : x
  2. Step 2: Convert to fraction form
    753,000.24/1,039,233.96 = 430,665.60/x
  3. Step 3: Cross multiply
    753,000.24x = 1,039,233.96 × 430,665.60
  4. Step 4: Simplify right side
    753,000.24x = 447,562,316,923.78
  5. Step 5: Solve for x
    x = 447,562,316,923.78/753,000.24
  6. Step 6: Final answer
    x = 594,372.08

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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.