Home / 669,829.12-924,310.56-383,283.52

Finding the Fourth Proportional to 669,829.12, 924,310.56 and 383,283.52

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Solution

The fourth proportional to 669,829.12, 924,310.56 and 383,283.52 is: 528,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,829.12 : 924,310.56 = 383,283.52 : x
  2. Step 2: Convert to fraction form
    669,829.12/924,310.56 = 383,283.52/x
  3. Step 3: Cross multiply
    669,829.12x = 924,310.56 × 383,283.52
  4. Step 4: Simplify right side
    669,829.12x = 354,273,005,009.97
  5. Step 5: Solve for x
    x = 354,273,005,009.97/669,829.12
  6. Step 6: Final answer
    x = 528,900.57

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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.