Home / 861,196.32-1,291,800.96-328,574.16

Finding the Fourth Proportional to 861,196.32, 1,291,800.96 and 328,574.16

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Solution

The fourth proportional to 861,196.32, 1,291,800.96 and 328,574.16 is: 492,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,196.32 : 1,291,800.96 = 328,574.16 : x
  2. Step 2: Convert to fraction form
    861,196.32/1,291,800.96 = 328,574.16/x
  3. Step 3: Cross multiply
    861,196.32x = 1,291,800.96 × 328,574.16
  4. Step 4: Simplify right side
    861,196.32x = 424,452,415,319.19
  5. Step 5: Solve for x
    x = 424,452,415,319.19/861,196.32
  6. Step 6: Final answer
    x = 492,863.71

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1.5x scale

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.