Home / 837,530.30-1,256,302.32-238,490.72

Finding the Fourth Proportional to 837,530.30, 1,256,302.32 and 238,490.72

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Solution

The fourth proportional to 837,530.30, 1,256,302.32 and 238,490.72 is: 357,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,530.30 : 1,256,302.32 = 238,490.72 : x
  2. Step 2: Convert to fraction form
    837,530.30/1,256,302.32 = 238,490.72/x
  3. Step 3: Cross multiply
    837,530.30x = 1,256,302.32 × 238,490.72
  4. Step 4: Simplify right side
    837,530.30x = 299,616,444,834.47
  5. Step 5: Solve for x
    x = 299,616,444,834.47/837,530.30
  6. Step 6: Final answer
    x = 357,738.04

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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.