Home / 572,524.29-790,108.20-317,875.50

Finding the Fourth Proportional to 572,524.29, 790,108.20 and 317,875.50

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Solution

The fourth proportional to 572,524.29, 790,108.20 and 317,875.50 is: 438,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,524.29 : 790,108.20 = 317,875.50 : x
  2. Step 2: Convert to fraction form
    572,524.29/790,108.20 = 317,875.50/x
  3. Step 3: Cross multiply
    572,524.29x = 790,108.20 × 317,875.50
  4. Step 4: Simplify right side
    572,524.29x = 251,156,039,129.10
  5. Step 5: Solve for x
    x = 251,156,039,129.10/572,524.29
  6. Step 6: Final answer
    x = 438,681.89

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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.