Home / 837,341.12-1,155,498.54-455,368.34

Finding the Fourth Proportional to 837,341.12, 1,155,498.54 and 455,368.34

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Solution

The fourth proportional to 837,341.12, 1,155,498.54 and 455,368.34 is: 628,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,341.12 : 1,155,498.54 = 455,368.34 : x
  2. Step 2: Convert to fraction form
    837,341.12/1,155,498.54 = 455,368.34/x
  3. Step 3: Cross multiply
    837,341.12x = 1,155,498.54 × 455,368.34
  4. Step 4: Simplify right side
    837,341.12x = 526,177,452,032.22
  5. Step 5: Solve for x
    x = 526,177,452,032.22/837,341.12
  6. Step 6: Final answer
    x = 628,390.79

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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.