Home / 734,801.76-1,013,905.68-432,954.72

Finding the Fourth Proportional to 734,801.76, 1,013,905.68 and 432,954.72

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Solution

The fourth proportional to 734,801.76, 1,013,905.68 and 432,954.72 is: 597,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,801.76 : 1,013,905.68 = 432,954.72 : x
  2. Step 2: Convert to fraction form
    734,801.76/1,013,905.68 = 432,954.72/x
  3. Step 3: Cross multiply
    734,801.76x = 1,013,905.68 × 432,954.72
  4. Step 4: Simplify right side
    734,801.76x = 438,975,249,790.81
  5. Step 5: Solve for x
    x = 438,975,249,790.81/734,801.76
  6. Step 6: Final answer
    x = 597,406.37

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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.