Home / 881,851.06-1,216,919-519,290.20

Finding the Fourth Proportional to 881,851.06, 1,216,919 and 519,290.20

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Solution

The fourth proportional to 881,851.06, 1,216,919 and 519,290.20 is: 716,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,851.06 : 1,216,919 = 519,290.20 : x
  2. Step 2: Convert to fraction form
    881,851.06/1,216,919 = 519,290.20/x
  3. Step 3: Cross multiply
    881,851.06x = 1,216,919 × 519,290.20
  4. Step 4: Simplify right side
    881,851.06x = 631,934,110,893.80
  5. Step 5: Solve for x
    x = 631,934,110,893.80/881,851.06
  6. Step 6: Final answer
    x = 716,599.59

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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.