Home / 691,372.60-1,034,985.30-608,428.60

Finding the Fourth Proportional to 691,372.60, 1,034,985.30 and 608,428.60

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Solution

The fourth proportional to 691,372.60, 1,034,985.30 and 608,428.60 is: 910,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,372.60 : 1,034,985.30 = 608,428.60 : x
  2. Step 2: Convert to fraction form
    691,372.60/1,034,985.30 = 608,428.60/x
  3. Step 3: Cross multiply
    691,372.60x = 1,034,985.30 × 608,428.60
  4. Step 4: Simplify right side
    691,372.60x = 629,714,657,099.58
  5. Step 5: Solve for x
    x = 629,714,657,099.58/691,372.60
  6. Step 6: Final answer
    x = 910,818.07

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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.