Home / 837,887.58-1,156,131.86-547,421.85

Finding the Fourth Proportional to 837,887.58, 1,156,131.86 and 547,421.85

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Solution

The fourth proportional to 837,887.58, 1,156,131.86 and 547,421.85 is: 755,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,887.58 : 1,156,131.86 = 547,421.85 : x
  2. Step 2: Convert to fraction form
    837,887.58/1,156,131.86 = 547,421.85/x
  3. Step 3: Cross multiply
    837,887.58x = 1,156,131.86 × 547,421.85
  4. Step 4: Simplify right side
    837,887.58x = 632,891,838,908.03
  5. Step 5: Solve for x
    x = 632,891,838,908.03/837,887.58
  6. Step 6: Final answer
    x = 755,342.19

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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.