Home / 748,165.11-1,032,461.43-408,626.07

Finding the Fourth Proportional to 748,165.11, 1,032,461.43 and 408,626.07

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Solution

The fourth proportional to 748,165.11, 1,032,461.43 and 408,626.07 is: 563,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,165.11 : 1,032,461.43 = 408,626.07 : x
  2. Step 2: Convert to fraction form
    748,165.11/1,032,461.43 = 408,626.07/x
  3. Step 3: Cross multiply
    748,165.11x = 1,032,461.43 × 408,626.07
  4. Step 4: Simplify right side
    748,165.11x = 421,890,656,567.48
  5. Step 5: Solve for x
    x = 421,890,656,567.48/748,165.11
  6. Step 6: Final answer
    x = 563,900.47

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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.