Home / 1,087,255.80-1,630,883.70-377,209.80

Finding the Fourth Proportional to 1,087,255.80, 1,630,883.70 and 377,209.80

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Solution

The fourth proportional to 1,087,255.80, 1,630,883.70 and 377,209.80 is: 565,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,255.80 : 1,630,883.70 = 377,209.80 : x
  2. Step 2: Convert to fraction form
    1,087,255.80/1,630,883.70 = 377,209.80/x
  3. Step 3: Cross multiply
    1,087,255.80x = 1,630,883.70 × 377,209.80
  4. Step 4: Simplify right side
    1,087,255.80x = 615,185,314,300.26
  5. Step 5: Solve for x
    x = 615,185,314,300.26/1,087,255.80
  6. Step 6: Final answer
    x = 565,814.70

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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.