Home / 843,587.70-1,164,147.88-456,401.88

Finding the Fourth Proportional to 843,587.70, 1,164,147.88 and 456,401.88

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Solution

The fourth proportional to 843,587.70, 1,164,147.88 and 456,401.88 is: 629,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,587.70 : 1,164,147.88 = 456,401.88 : x
  2. Step 2: Convert to fraction form
    843,587.70/1,164,147.88 = 456,401.88/x
  3. Step 3: Cross multiply
    843,587.70x = 1,164,147.88 × 456,401.88
  4. Step 4: Simplify right side
    843,587.70x = 531,319,281,030.01
  5. Step 5: Solve for x
    x = 531,319,281,030.01/843,587.70
  6. Step 6: Final answer
    x = 629,832.89

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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.