Home / 1,097,927.40-1,646,891.10-424,039.80

Finding the Fourth Proportional to 1,097,927.40, 1,646,891.10 and 424,039.80

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Solution

The fourth proportional to 1,097,927.40, 1,646,891.10 and 424,039.80 is: 636,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,927.40 : 1,646,891.10 = 424,039.80 : x
  2. Step 2: Convert to fraction form
    1,097,927.40/1,646,891.10 = 424,039.80/x
  3. Step 3: Cross multiply
    1,097,927.40x = 1,646,891.10 × 424,039.80
  4. Step 4: Simplify right side
    1,097,927.40x = 698,347,372,665.78
  5. Step 5: Solve for x
    x = 698,347,372,665.78/1,097,927.40
  6. Step 6: Final answer
    x = 636,059.70

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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.