Home / 938,830.10-1,295,586.23-509,110.11

Finding the Fourth Proportional to 938,830.10, 1,295,586.23 and 509,110.11

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Solution

The fourth proportional to 938,830.10, 1,295,586.23 and 509,110.11 is: 702,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,830.10 : 1,295,586.23 = 509,110.11 : x
  2. Step 2: Convert to fraction form
    938,830.10/1,295,586.23 = 509,110.11/x
  3. Step 3: Cross multiply
    938,830.10x = 1,295,586.23 × 509,110.11
  4. Step 4: Simplify right side
    938,830.10x = 659,596,045,524.24
  5. Step 5: Solve for x
    x = 659,596,045,524.24/938,830.10
  6. Step 6: Final answer
    x = 702,572.33

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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.