Home / 811,068.96-1,216,801.68-571,649.76

Finding the Fourth Proportional to 811,068.96, 1,216,801.68 and 571,649.76

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Solution

The fourth proportional to 811,068.96, 1,216,801.68 and 571,649.76 is: 857,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,068.96 : 1,216,801.68 = 571,649.76 : x
  2. Step 2: Convert to fraction form
    811,068.96/1,216,801.68 = 571,649.76/x
  3. Step 3: Cross multiply
    811,068.96x = 1,216,801.68 × 571,649.76
  4. Step 4: Simplify right side
    811,068.96x = 695,584,388,339.60
  5. Step 5: Solve for x
    x = 695,584,388,339.60/811,068.96
  6. Step 6: Final answer
    x = 857,614.36

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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.