Home / 669,805.34-924,310.04-383,319.28

Finding the Fourth Proportional to 669,805.34, 924,310.04 and 383,319.28

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Solution

The fourth proportional to 669,805.34, 924,310.04 and 383,319.28 is: 528,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,805.34 : 924,310.04 = 383,319.28 : x
  2. Step 2: Convert to fraction form
    669,805.34/924,310.04 = 383,319.28/x
  3. Step 3: Cross multiply
    669,805.34x = 924,310.04 × 383,319.28
  4. Step 4: Simplify right side
    669,805.34x = 354,305,854,408.02
  5. Step 5: Solve for x
    x = 354,305,854,408.02/669,805.34
  6. Step 6: Final answer
    x = 528,968.39

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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.