Home / 572,625.12-790,210.44-317,971.92

Finding the Fourth Proportional to 572,625.12, 790,210.44 and 317,971.92

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Solution

The fourth proportional to 572,625.12, 790,210.44 and 317,971.92 is: 438,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,625.12 : 790,210.44 = 317,971.92 : x
  2. Step 2: Convert to fraction form
    572,625.12/790,210.44 = 317,971.92/x
  3. Step 3: Cross multiply
    572,625.12x = 790,210.44 × 317,971.92
  4. Step 4: Simplify right side
    572,625.12x = 251,264,730,810.85
  5. Step 5: Solve for x
    x = 251,264,730,810.85/572,625.12
  6. Step 6: Final answer
    x = 438,794.46

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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.