Home / 955,453.39-1,318,375.10-547,476.77

Finding the Fourth Proportional to 955,453.39, 1,318,375.10 and 547,476.77

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Solution

The fourth proportional to 955,453.39, 1,318,375.10 and 547,476.77 is: 755,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,453.39 : 1,318,375.10 = 547,476.77 : x
  2. Step 2: Convert to fraction form
    955,453.39/1,318,375.10 = 547,476.77/x
  3. Step 3: Cross multiply
    955,453.39x = 1,318,375.10 × 547,476.77
  4. Step 4: Simplify right side
    955,453.39x = 721,779,746,061.06
  5. Step 5: Solve for x
    x = 721,779,746,061.06/955,453.39
  6. Step 6: Final answer
    x = 755,431.67

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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.