Home / 908,188.47-1,253,235.38-540,646.11

Finding the Fourth Proportional to 908,188.47, 1,253,235.38 and 540,646.11

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Solution

The fourth proportional to 908,188.47, 1,253,235.38 and 540,646.11 is: 746,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,188.47 : 1,253,235.38 = 540,646.11 : x
  2. Step 2: Convert to fraction form
    908,188.47/1,253,235.38 = 540,646.11/x
  3. Step 3: Cross multiply
    908,188.47x = 1,253,235.38 × 540,646.11
  4. Step 4: Simplify right side
    908,188.47x = 677,556,830,408.14
  5. Step 5: Solve for x
    x = 677,556,830,408.14/908,188.47
  6. Step 6: Final answer
    x = 746,053.11

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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.