Home / 814,813.90-1,124,495.72-452,237.78

Finding the Fourth Proportional to 814,813.90, 1,124,495.72 and 452,237.78

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Solution

The fourth proportional to 814,813.90, 1,124,495.72 and 452,237.78 is: 624,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,813.90 : 1,124,495.72 = 452,237.78 : x
  2. Step 2: Convert to fraction form
    814,813.90/1,124,495.72 = 452,237.78/x
  3. Step 3: Cross multiply
    814,813.90x = 1,124,495.72 × 452,237.78
  4. Step 4: Simplify right side
    814,813.90x = 508,539,448,032.30
  5. Step 5: Solve for x
    x = 508,539,448,032.30/814,813.90
  6. Step 6: Final answer
    x = 624,117.30

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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.