Home / 928,447.49-1,281,193.38-514,945.25

Finding the Fourth Proportional to 928,447.49, 1,281,193.38 and 514,945.25

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Solution

The fourth proportional to 928,447.49, 1,281,193.38 and 514,945.25 is: 710,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,447.49 : 1,281,193.38 = 514,945.25 : x
  2. Step 2: Convert to fraction form
    928,447.49/1,281,193.38 = 514,945.25/x
  3. Step 3: Cross multiply
    928,447.49x = 1,281,193.38 × 514,945.25
  4. Step 4: Simplify right side
    928,447.49x = 659,744,445,692.00
  5. Step 5: Solve for x
    x = 659,744,445,692.00/928,447.49
  6. Step 6: Final answer
    x = 710,588.86

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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.