Home / 692,109.40-966,591.20-692,109.40

Finding the Fourth Proportional to 692,109.40, 966,591.20 and 692,109.40

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Solution

The fourth proportional to 692,109.40, 966,591.20 and 692,109.40 is: 966,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,109.40 : 966,591.20 = 692,109.40 : x
  2. Step 2: Convert to fraction form
    692,109.40/966,591.20 = 692,109.40/x
  3. Step 3: Cross multiply
    692,109.40x = 966,591.20 × 692,109.40
  4. Step 4: Simplify right side
    692,109.40x = 668,986,855,477.28
  5. Step 5: Solve for x
    x = 668,986,855,477.28/692,109.40
  6. Step 6: Final answer
    x = 966,591.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.