Home / 985,125.53-1,359,421.22-549,588.33

Finding the Fourth Proportional to 985,125.53, 1,359,421.22 and 549,588.33

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Solution

The fourth proportional to 985,125.53, 1,359,421.22 and 549,588.33 is: 758,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,125.53 : 1,359,421.22 = 549,588.33 : x
  2. Step 2: Convert to fraction form
    985,125.53/1,359,421.22 = 549,588.33/x
  3. Step 3: Cross multiply
    985,125.53x = 1,359,421.22 × 549,588.33
  4. Step 4: Simplify right side
    985,125.53x = 747,122,035,318.42
  5. Step 5: Solve for x
    x = 747,122,035,318.42/985,125.53
  6. Step 6: Final answer
    x = 758,402.88

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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.