Home / 389,932.40-583,602.60-283,012.40

Finding the Fourth Proportional to 389,932.40, 583,602.60 and 283,012.40

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Solution

The fourth proportional to 389,932.40, 583,602.60 and 283,012.40 is: 423,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,932.40 : 583,602.60 = 283,012.40 : x
  2. Step 2: Convert to fraction form
    389,932.40/583,602.60 = 283,012.40/x
  3. Step 3: Cross multiply
    389,932.40x = 583,602.60 × 283,012.40
  4. Step 4: Simplify right side
    389,932.40x = 165,166,772,472.24
  5. Step 5: Solve for x
    x = 165,166,772,472.24/389,932.40
  6. Step 6: Final answer
    x = 423,577.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.