Home / 718,536.60-1,078,514.01-381,576.29

Finding the Fourth Proportional to 718,536.60, 1,078,514.01 and 381,576.29

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Solution

The fourth proportional to 718,536.60, 1,078,514.01 and 381,576.29 is: 572,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,536.60 : 1,078,514.01 = 381,576.29 : x
  2. Step 2: Convert to fraction form
    718,536.60/1,078,514.01 = 381,576.29/x
  3. Step 3: Cross multiply
    718,536.60x = 1,078,514.01 × 381,576.29
  4. Step 4: Simplify right side
    718,536.60x = 411,535,369,256.25
  5. Step 5: Solve for x
    x = 411,535,369,256.25/718,536.60
  6. Step 6: Final answer
    x = 572,741.00

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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.