Home / 716,213.10-988,042.74-429,234.96

Finding the Fourth Proportional to 716,213.10, 988,042.74 and 429,234.96

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Solution

The fourth proportional to 716,213.10, 988,042.74 and 429,234.96 is: 592,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,213.10 : 988,042.74 = 429,234.96 : x
  2. Step 2: Convert to fraction form
    716,213.10/988,042.74 = 429,234.96/x
  3. Step 3: Cross multiply
    716,213.10x = 988,042.74 × 429,234.96
  4. Step 4: Simplify right side
    716,213.10x = 424,102,485,982.19
  5. Step 5: Solve for x
    x = 424,102,485,982.19/716,213.10
  6. Step 6: Final answer
    x = 592,145.67

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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.