Home / 692,574.30-1,038,861.45-219,296.70

Finding the Fourth Proportional to 692,574.30, 1,038,861.45 and 219,296.70

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Solution

The fourth proportional to 692,574.30, 1,038,861.45 and 219,296.70 is: 328,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,574.30 : 1,038,861.45 = 219,296.70 : x
  2. Step 2: Convert to fraction form
    692,574.30/1,038,861.45 = 219,296.70/x
  3. Step 3: Cross multiply
    692,574.30x = 1,038,861.45 × 219,296.70
  4. Step 4: Simplify right side
    692,574.30x = 227,818,887,742.22
  5. Step 5: Solve for x
    x = 227,818,887,742.22/692,574.30
  6. Step 6: Final answer
    x = 328,945.05

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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.