Home / 1,222,672.30-1,834,008.45-423,688.30

Finding the Fourth Proportional to 1,222,672.30, 1,834,008.45 and 423,688.30

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Solution

The fourth proportional to 1,222,672.30, 1,834,008.45 and 423,688.30 is: 635,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,672.30 : 1,834,008.45 = 423,688.30 : x
  2. Step 2: Convert to fraction form
    1,222,672.30/1,834,008.45 = 423,688.30/x
  3. Step 3: Cross multiply
    1,222,672.30x = 1,834,008.45 × 423,688.30
  4. Step 4: Simplify right side
    1,222,672.30x = 777,047,922,366.14
  5. Step 5: Solve for x
    x = 777,047,922,366.14/1,222,672.30
  6. Step 6: Final answer
    x = 635,532.45

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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.