Home / 1,008,808.38-1,392,136.50-549,927.18

Finding the Fourth Proportional to 1,008,808.38, 1,392,136.50 and 549,927.18

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Solution

The fourth proportional to 1,008,808.38, 1,392,136.50 and 549,927.18 is: 758,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,808.38 : 1,392,136.50 = 549,927.18 : x
  2. Step 2: Convert to fraction form
    1,008,808.38/1,392,136.50 = 549,927.18/x
  3. Step 3: Cross multiply
    1,008,808.38x = 1,392,136.50 × 549,927.18
  4. Step 4: Simplify right side
    1,008,808.38x = 765,573,699,620.07
  5. Step 5: Solve for x
    x = 765,573,699,620.07/1,008,808.38
  6. Step 6: Final answer
    x = 758,889.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.