Home / 837,408.02-1,255,636.35-571,490.69

Finding the Fourth Proportional to 837,408.02, 1,255,636.35 and 571,490.69

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Solution

The fourth proportional to 837,408.02, 1,255,636.35 and 571,490.69 is: 856,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,408.02 : 1,255,636.35 = 571,490.69 : x
  2. Step 2: Convert to fraction form
    837,408.02/1,255,636.35 = 571,490.69/x
  3. Step 3: Cross multiply
    837,408.02x = 1,255,636.35 × 571,490.69
  4. Step 4: Simplify right side
    837,408.02x = 717,584,477,772.40
  5. Step 5: Solve for x
    x = 717,584,477,772.40/837,408.02
  6. Step 6: Final answer
    x = 856,911.40

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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.