Home / 837,434.34-1,155,626.19-455,461.02

Finding the Fourth Proportional to 837,434.34, 1,155,626.19 and 455,461.02

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Solution

The fourth proportional to 837,434.34, 1,155,626.19 and 455,461.02 is: 628,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,434.34 : 1,155,626.19 = 455,461.02 : x
  2. Step 2: Convert to fraction form
    837,434.34/1,155,626.19 = 455,461.02/x
  3. Step 3: Cross multiply
    837,434.34x = 1,155,626.19 × 455,461.02
  4. Step 4: Simplify right side
    837,434.34x = 526,342,683,236.11
  5. Step 5: Solve for x
    x = 526,342,683,236.11/837,434.34
  6. Step 6: Final answer
    x = 628,518.15

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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.