Home / 852,503.67-1,176,371.31-470,505.85

Finding the Fourth Proportional to 852,503.67, 1,176,371.31 and 470,505.85

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Solution

The fourth proportional to 852,503.67, 1,176,371.31 and 470,505.85 is: 649,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,503.67 : 1,176,371.31 = 470,505.85 : x
  2. Step 2: Convert to fraction form
    852,503.67/1,176,371.31 = 470,505.85/x
  3. Step 3: Cross multiply
    852,503.67x = 1,176,371.31 × 470,505.85
  4. Step 4: Simplify right side
    852,503.67x = 553,489,583,127.16
  5. Step 5: Solve for x
    x = 553,489,583,127.16/852,503.67
  6. Step 6: Final answer
    x = 649,251.85

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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.