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Finding the Fourth Proportional to 837,679.66, 1,247,045.14 and 832,697.44

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Solution

The fourth proportional to 837,679.66, 1,247,045.14 and 832,697.44 is: 1,239,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,679.66 : 1,247,045.14 = 832,697.44 : x
  2. Step 2: Convert to fraction form
    837,679.66/1,247,045.14 = 832,697.44/x
  3. Step 3: Cross multiply
    837,679.66x = 1,247,045.14 × 832,697.44
  4. Step 4: Simplify right side
    837,679.66x = 1,038,411,295,642.44
  5. Step 5: Solve for x
    x = 1,038,411,295,642.44/837,679.66
  6. Step 6: Final answer
    x = 1,239,628.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.