Home / 1,168,396.95-1,752,595.43-420,172.95

Finding the Fourth Proportional to 1,168,396.95, 1,752,595.43 and 420,172.95

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Solution

The fourth proportional to 1,168,396.95, 1,752,595.43 and 420,172.95 is: 630,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,396.95 : 1,752,595.43 = 420,172.95 : x
  2. Step 2: Convert to fraction form
    1,168,396.95/1,752,595.43 = 420,172.95/x
  3. Step 3: Cross multiply
    1,168,396.95x = 1,752,595.43 × 420,172.95
  4. Step 4: Simplify right side
    1,168,396.95x = 736,393,189,878.75
  5. Step 5: Solve for x
    x = 736,393,189,878.75/1,168,396.95
  6. Step 6: Final answer
    x = 630,259.43

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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.