Home / 674,577.40-930,969.76-384,201.24

Finding the Fourth Proportional to 674,577.40, 930,969.76 and 384,201.24

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Solution

The fourth proportional to 674,577.40, 930,969.76 and 384,201.24 is: 530,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,577.40 : 930,969.76 = 384,201.24 : x
  2. Step 2: Convert to fraction form
    674,577.40/930,969.76 = 384,201.24/x
  3. Step 3: Cross multiply
    674,577.40x = 930,969.76 × 384,201.24
  4. Step 4: Simplify right side
    674,577.40x = 357,679,736,194.50
  5. Step 5: Solve for x
    x = 357,679,736,194.50/674,577.40
  6. Step 6: Final answer
    x = 530,227.87

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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.