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Finding the Fourth Proportional to 934,673.52, 1,401,009.12 and 667,624.08

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Solution

The fourth proportional to 934,673.52, 1,401,009.12 and 667,624.08 is: 1,000,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,673.52 : 1,401,009.12 = 667,624.08 : x
  2. Step 2: Convert to fraction form
    934,673.52/1,401,009.12 = 667,624.08/x
  3. Step 3: Cross multiply
    934,673.52x = 1,401,009.12 × 667,624.08
  4. Step 4: Simplify right side
    934,673.52x = 935,347,424,811.61
  5. Step 5: Solve for x
    x = 935,347,424,811.61/934,673.52
  6. Step 6: Final answer
    x = 1,000,721.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.