Home / 838,624.05-1,157,266.44-456,649.92

Finding the Fourth Proportional to 838,624.05, 1,157,266.44 and 456,649.92

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Solution

The fourth proportional to 838,624.05, 1,157,266.44 and 456,649.92 is: 630,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,624.05 : 1,157,266.44 = 456,649.92 : x
  2. Step 2: Convert to fraction form
    838,624.05/1,157,266.44 = 456,649.92/x
  3. Step 3: Cross multiply
    838,624.05x = 1,157,266.44 × 456,649.92
  4. Step 4: Simplify right side
    838,624.05x = 528,465,627,244.69
  5. Step 5: Solve for x
    x = 528,465,627,244.69/838,624.05
  6. Step 6: Final answer
    x = 630,157.97

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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.