Home / 742,851.96-1,025,156.70-436,950.60

Finding the Fourth Proportional to 742,851.96, 1,025,156.70 and 436,950.60

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Solution

The fourth proportional to 742,851.96, 1,025,156.70 and 436,950.60 is: 603,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,851.96 : 1,025,156.70 = 436,950.60 : x
  2. Step 2: Convert to fraction form
    742,851.96/1,025,156.70 = 436,950.60/x
  3. Step 3: Cross multiply
    742,851.96x = 1,025,156.70 × 436,950.60
  4. Step 4: Simplify right side
    742,851.96x = 447,942,835,159.02
  5. Step 5: Solve for x
    x = 447,942,835,159.02/742,851.96
  6. Step 6: Final answer
    x = 603,004.18

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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.