Home / 837,099.66-1,155,244.77-455,118.24

Finding the Fourth Proportional to 837,099.66, 1,155,244.77 and 455,118.24

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Solution

The fourth proportional to 837,099.66, 1,155,244.77 and 455,118.24 is: 628,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,099.66 : 1,155,244.77 = 455,118.24 : x
  2. Step 2: Convert to fraction form
    837,099.66/1,155,244.77 = 455,118.24/x
  3. Step 3: Cross multiply
    837,099.66x = 1,155,244.77 × 455,118.24
  4. Step 4: Simplify right side
    837,099.66x = 525,772,966,491.61
  5. Step 5: Solve for x
    x = 525,772,966,491.61/837,099.66
  6. Step 6: Final answer
    x = 628,088.85

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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.