Home / 1,038,358.72-1,432,936.20-585,649.72

Finding the Fourth Proportional to 1,038,358.72, 1,432,936.20 and 585,649.72

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Solution

The fourth proportional to 1,038,358.72, 1,432,936.20 and 585,649.72 is: 808,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,358.72 : 1,432,936.20 = 585,649.72 : x
  2. Step 2: Convert to fraction form
    1,038,358.72/1,432,936.20 = 585,649.72/x
  3. Step 3: Cross multiply
    1,038,358.72x = 1,432,936.20 × 585,649.72
  4. Step 4: Simplify right side
    1,038,358.72x = 839,198,684,307.86
  5. Step 5: Solve for x
    x = 839,198,684,307.86/1,038,358.72
  6. Step 6: Final answer
    x = 808,197.27

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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.