Home / 786,023.57-1,178,194.34-406,562.22

Finding the Fourth Proportional to 786,023.57, 1,178,194.34 and 406,562.22

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Solution

The fourth proportional to 786,023.57, 1,178,194.34 and 406,562.22 is: 609,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,023.57 : 1,178,194.34 = 406,562.22 : x
  2. Step 2: Convert to fraction form
    786,023.57/1,178,194.34 = 406,562.22/x
  3. Step 3: Cross multiply
    786,023.57x = 1,178,194.34 × 406,562.22
  4. Step 4: Simplify right side
    786,023.57x = 479,009,307,478.24
  5. Step 5: Solve for x
    x = 479,009,307,478.24/786,023.57
  6. Step 6: Final answer
    x = 609,408.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.