Home / 934,890.51-1,401,228.57-429,025.11

Finding the Fourth Proportional to 934,890.51, 1,401,228.57 and 429,025.11

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Solution

The fourth proportional to 934,890.51, 1,401,228.57 and 429,025.11 is: 643,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,890.51 : 1,401,228.57 = 429,025.11 : x
  2. Step 2: Convert to fraction form
    934,890.51/1,401,228.57 = 429,025.11/x
  3. Step 3: Cross multiply
    934,890.51x = 1,401,228.57 × 429,025.11
  4. Step 4: Simplify right side
    934,890.51x = 601,162,241,379.39
  5. Step 5: Solve for x
    x = 601,162,241,379.39/934,890.51
  6. Step 6: Final answer
    x = 643,029.57

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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.