Home / 837,969.21-1,156,423.59-475,408.35

Finding the Fourth Proportional to 837,969.21, 1,156,423.59 and 475,408.35

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Solution

The fourth proportional to 837,969.21, 1,156,423.59 and 475,408.35 is: 656,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,969.21 : 1,156,423.59 = 475,408.35 : x
  2. Step 2: Convert to fraction form
    837,969.21/1,156,423.59 = 475,408.35/x
  3. Step 3: Cross multiply
    837,969.21x = 1,156,423.59 × 475,408.35
  4. Step 4: Simplify right side
    837,969.21x = 549,773,430,822.98
  5. Step 5: Solve for x
    x = 549,773,430,822.98/837,969.21
  6. Step 6: Final answer
    x = 656,078.32

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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.