Home / 584,619.45-807,549.42-470,328.57

Finding the Fourth Proportional to 584,619.45, 807,549.42 and 470,328.57

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Solution

The fourth proportional to 584,619.45, 807,549.42 and 470,328.57 is: 649,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,619.45 : 807,549.42 = 470,328.57 : x
  2. Step 2: Convert to fraction form
    584,619.45/807,549.42 = 470,328.57/x
  3. Step 3: Cross multiply
    584,619.45x = 807,549.42 × 470,328.57
  4. Step 4: Simplify right side
    584,619.45x = 379,813,563,912.93
  5. Step 5: Solve for x
    x = 379,813,563,912.93/584,619.45
  6. Step 6: Final answer
    x = 649,676.58

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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.