Home / 914,518.98-1,262,022.87-506,620.14

Finding the Fourth Proportional to 914,518.98, 1,262,022.87 and 506,620.14

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Solution

The fourth proportional to 914,518.98, 1,262,022.87 and 506,620.14 is: 699,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,518.98 : 1,262,022.87 = 506,620.14 : x
  2. Step 2: Convert to fraction form
    914,518.98/1,262,022.87 = 506,620.14/x
  3. Step 3: Cross multiply
    914,518.98x = 1,262,022.87 × 506,620.14
  4. Step 4: Simplify right side
    914,518.98x = 639,366,203,082.60
  5. Step 5: Solve for x
    x = 639,366,203,082.60/914,518.98
  6. Step 6: Final answer
    x = 699,128.41

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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.