Home / 898,200.90-1,347,301.35-366,103.80

Finding the Fourth Proportional to 898,200.90, 1,347,301.35 and 366,103.80

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Solution

The fourth proportional to 898,200.90, 1,347,301.35 and 366,103.80 is: 549,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,200.90 : 1,347,301.35 = 366,103.80 : x
  2. Step 2: Convert to fraction form
    898,200.90/1,347,301.35 = 366,103.80/x
  3. Step 3: Cross multiply
    898,200.90x = 1,347,301.35 × 366,103.80
  4. Step 4: Simplify right side
    898,200.90x = 493,252,143,980.13
  5. Step 5: Solve for x
    x = 493,252,143,980.13/898,200.90
  6. Step 6: Final answer
    x = 549,155.70

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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.