Home / 1,424,321.01-2,136,481.45-477,689.00

Finding the Fourth Proportional to 1,424,321.01, 2,136,481.45 and 477,689.00

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Solution

The fourth proportional to 1,424,321.01, 2,136,481.45 and 477,689.00 is: 716,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,321.01 : 2,136,481.45 = 477,689.00 : x
  2. Step 2: Convert to fraction form
    1,424,321.01/2,136,481.45 = 477,689.00/x
  3. Step 3: Cross multiply
    1,424,321.01x = 2,136,481.45 × 477,689.00
  4. Step 4: Simplify right side
    1,424,321.01x = 1,020,573,675,492.42
  5. Step 5: Solve for x
    x = 1,020,573,675,492.42/1,424,321.01
  6. Step 6: Final answer
    x = 716,533.47

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Double scale
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Similar ratio
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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.