Home / 908,185.10-1,253,230.72-540,642.74

Finding the Fourth Proportional to 908,185.10, 1,253,230.72 and 540,642.74

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Solution

The fourth proportional to 908,185.10, 1,253,230.72 and 540,642.74 is: 746,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,185.10 : 1,253,230.72 = 540,642.74 : x
  2. Step 2: Convert to fraction form
    908,185.10/1,253,230.72 = 540,642.74/x
  3. Step 3: Cross multiply
    908,185.10x = 1,253,230.72 × 540,642.74
  4. Step 4: Simplify right side
    908,185.10x = 677,550,082,695.21
  5. Step 5: Solve for x
    x = 677,550,082,695.21/908,185.10
  6. Step 6: Final answer
    x = 746,048.45

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Double scale
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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.