Home / 669,623.76-924,070.68-383,214.24

Finding the Fourth Proportional to 669,623.76, 924,070.68 and 383,214.24

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Solution

The fourth proportional to 669,623.76, 924,070.68 and 383,214.24 is: 528,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,623.76 : 924,070.68 = 383,214.24 : x
  2. Step 2: Convert to fraction form
    669,623.76/924,070.68 = 383,214.24/x
  3. Step 3: Cross multiply
    669,623.76x = 924,070.68 × 383,214.24
  4. Step 4: Simplify right side
    669,623.76x = 354,117,043,342.48
  5. Step 5: Solve for x
    x = 354,117,043,342.48/669,623.76
  6. Step 6: Final answer
    x = 528,829.87

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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.