Home / 762,111.03-1,143,358.77-537,909.36

Finding the Fourth Proportional to 762,111.03, 1,143,358.77 and 537,909.36

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Solution

The fourth proportional to 762,111.03, 1,143,358.77 and 537,909.36 is: 806,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,111.03 : 1,143,358.77 = 537,909.36 : x
  2. Step 2: Convert to fraction form
    762,111.03/1,143,358.77 = 537,909.36/x
  3. Step 3: Cross multiply
    762,111.03x = 1,143,358.77 × 537,909.36
  4. Step 4: Simplify right side
    762,111.03x = 615,023,384,221.09
  5. Step 5: Solve for x
    x = 615,023,384,221.09/762,111.03
  6. Step 6: Final answer
    x = 806,999.72

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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.