Home / 843,800.34-1,164,447.53-456,615.72

Finding the Fourth Proportional to 843,800.34, 1,164,447.53 and 456,615.72

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Solution

The fourth proportional to 843,800.34, 1,164,447.53 and 456,615.72 is: 630,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,800.34 : 1,164,447.53 = 456,615.72 : x
  2. Step 2: Convert to fraction form
    843,800.34/1,164,447.53 = 456,615.72/x
  3. Step 3: Cross multiply
    843,800.34x = 1,164,447.53 × 456,615.72
  4. Step 4: Simplify right side
    843,800.34x = 531,705,045,030.09
  5. Step 5: Solve for x
    x = 531,705,045,030.09/843,800.34
  6. Step 6: Final answer
    x = 630,131.35

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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.