Home / 837,085.66-1,155,225.45-455,104.24

Finding the Fourth Proportional to 837,085.66, 1,155,225.45 and 455,104.24

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Solution

The fourth proportional to 837,085.66, 1,155,225.45 and 455,104.24 is: 628,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,085.66 : 1,155,225.45 = 455,104.24 : x
  2. Step 2: Convert to fraction form
    837,085.66/1,155,225.45 = 455,104.24/x
  3. Step 3: Cross multiply
    837,085.66x = 1,155,225.45 × 455,104.24
  4. Step 4: Simplify right side
    837,085.66x = 525,748,000,450.91
  5. Step 5: Solve for x
    x = 525,748,000,450.91/837,085.66
  6. Step 6: Final answer
    x = 628,069.53

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Double scale
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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.