Home / 704,865.48-972,688.30-382,568.67

Finding the Fourth Proportional to 704,865.48, 972,688.30 and 382,568.67

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Solution

The fourth proportional to 704,865.48, 972,688.30 and 382,568.67 is: 527,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,865.48 : 972,688.30 = 382,568.67 : x
  2. Step 2: Convert to fraction form
    704,865.48/972,688.30 = 382,568.67/x
  3. Step 3: Cross multiply
    704,865.48x = 972,688.30 × 382,568.67
  4. Step 4: Simplify right side
    704,865.48x = 372,120,068,299.14
  5. Step 5: Solve for x
    x = 372,120,068,299.14/704,865.48
  6. Step 6: Final answer
    x = 527,930.62

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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.