Home / 692,841.65-1,039,149.25-243,457.34

Finding the Fourth Proportional to 692,841.65, 1,039,149.25 and 243,457.34

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Solution

The fourth proportional to 692,841.65, 1,039,149.25 and 243,457.34 is: 365,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,841.65 : 1,039,149.25 = 243,457.34 : x
  2. Step 2: Convert to fraction form
    692,841.65/1,039,149.25 = 243,457.34/x
  3. Step 3: Cross multiply
    692,841.65x = 1,039,149.25 × 243,457.34
  4. Step 4: Simplify right side
    692,841.65x = 252,988,511,050.71
  5. Step 5: Solve for x
    x = 252,988,511,050.71/692,841.65
  6. Step 6: Final answer
    x = 365,146.22

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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.