Home / 1,657,956.60-2,486,934.90-816,334.20

Finding the Fourth Proportional to 1,657,956.60, 2,486,934.90 and 816,334.20

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Solution

The fourth proportional to 1,657,956.60, 2,486,934.90 and 816,334.20 is: 1,224,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,956.60 : 2,486,934.90 = 816,334.20 : x
  2. Step 2: Convert to fraction form
    1,657,956.60/2,486,934.90 = 816,334.20/x
  3. Step 3: Cross multiply
    1,657,956.60x = 2,486,934.90 × 816,334.20
  4. Step 4: Simplify right side
    1,657,956.60x = 2,030,170,012,043.58
  5. Step 5: Solve for x
    x = 2,030,170,012,043.58/1,657,956.60
  6. Step 6: Final answer
    x = 1,224,501.30

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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.