Home / 742,674.96-1,024,890.56-403,143.22

Finding the Fourth Proportional to 742,674.96, 1,024,890.56 and 403,143.22

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Solution

The fourth proportional to 742,674.96, 1,024,890.56 and 403,143.22 is: 556,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,674.96 : 1,024,890.56 = 403,143.22 : x
  2. Step 2: Convert to fraction form
    742,674.96/1,024,890.56 = 403,143.22/x
  3. Step 3: Cross multiply
    742,674.96x = 1,024,890.56 × 403,143.22
  4. Step 4: Simplify right side
    742,674.96x = 413,177,680,506.00
  5. Step 5: Solve for x
    x = 413,177,680,506.00/742,674.96
  6. Step 6: Final answer
    x = 556,337.16

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