Home / 930,500.10-1,395,750.15-694,304.10

Finding the Fourth Proportional to 930,500.10, 1,395,750.15 and 694,304.10

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Solution

The fourth proportional to 930,500.10, 1,395,750.15 and 694,304.10 is: 1,041,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,500.10 : 1,395,750.15 = 694,304.10 : x
  2. Step 2: Convert to fraction form
    930,500.10/1,395,750.15 = 694,304.10/x
  3. Step 3: Cross multiply
    930,500.10x = 1,395,750.15 × 694,304.10
  4. Step 4: Simplify right side
    930,500.10x = 969,075,051,720.62
  5. Step 5: Solve for x
    x = 969,075,051,720.62/930,500.10
  6. Step 6: Final answer
    x = 1,041,456.15

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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.