Home / 819,851.89-1,131,390.15-452,347.95

Finding the Fourth Proportional to 819,851.89, 1,131,390.15 and 452,347.95

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Solution

The fourth proportional to 819,851.89, 1,131,390.15 and 452,347.95 is: 624,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,851.89 : 1,131,390.15 = 452,347.95 : x
  2. Step 2: Convert to fraction form
    819,851.89/1,131,390.15 = 452,347.95/x
  3. Step 3: Cross multiply
    819,851.89x = 1,131,390.15 × 452,347.95
  4. Step 4: Simplify right side
    819,851.89x = 511,782,018,397.25
  5. Step 5: Solve for x
    x = 511,782,018,397.25/819,851.89
  6. Step 6: Final answer
    x = 624,237.16

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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.