Home / 692,169.10-1,036,180.05-411,541.90

Finding the Fourth Proportional to 692,169.10, 1,036,180.05 and 411,541.90

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Solution

The fourth proportional to 692,169.10, 1,036,180.05 and 411,541.90 is: 616,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,169.10 : 1,036,180.05 = 411,541.90 : x
  2. Step 2: Convert to fraction form
    692,169.10/1,036,180.05 = 411,541.90/x
  3. Step 3: Cross multiply
    692,169.10x = 1,036,180.05 × 411,541.90
  4. Step 4: Simplify right side
    692,169.10x = 426,431,506,519.10
  5. Step 5: Solve for x
    x = 426,431,506,519.10/692,169.10
  6. Step 6: Final answer
    x = 616,079.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.