Home / 3,012,175.90-4,518,235.05-737,710.30

Finding the Fourth Proportional to 3,012,175.90, 4,518,235.05 and 737,710.30

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Solution

The fourth proportional to 3,012,175.90, 4,518,235.05 and 737,710.30 is: 1,106,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,175.90 : 4,518,235.05 = 737,710.30 : x
  2. Step 2: Convert to fraction form
    3,012,175.90/4,518,235.05 = 737,710.30/x
  3. Step 3: Cross multiply
    3,012,175.90x = 4,518,235.05 × 737,710.30
  4. Step 4: Simplify right side
    3,012,175.90x = 3,333,148,534,206.02
  5. Step 5: Solve for x
    x = 3,333,148,534,206.02/3,012,175.90
  6. Step 6: Final answer
    x = 1,106,558.40

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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.