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Finding the Fourth Proportional to 935,907.40, 1,404,782.70 and 463,126.60

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Solution

The fourth proportional to 935,907.40, 1,404,782.70 and 463,126.60 is: 695,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,907.40 : 1,404,782.70 = 463,126.60 : x
  2. Step 2: Convert to fraction form
    935,907.40/1,404,782.70 = 463,126.60/x
  3. Step 3: Cross multiply
    935,907.40x = 1,404,782.70 × 463,126.60
  4. Step 4: Simplify right side
    935,907.40x = 650,592,235,589.82
  5. Step 5: Solve for x
    x = 650,592,235,589.82/935,907.40
  6. Step 6: Final answer
    x = 695,145.95

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Double scale
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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.