Home / 696,875.40-1,045,053.90-276,064.20

Finding the Fourth Proportional to 696,875.40, 1,045,053.90 and 276,064.20

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Solution

The fourth proportional to 696,875.40, 1,045,053.90 and 276,064.20 is: 413,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,875.40 : 1,045,053.90 = 276,064.20 : x
  2. Step 2: Convert to fraction form
    696,875.40/1,045,053.90 = 276,064.20/x
  3. Step 3: Cross multiply
    696,875.40x = 1,045,053.90 × 276,064.20
  4. Step 4: Simplify right side
    696,875.40x = 288,501,968,860.38
  5. Step 5: Solve for x
    x = 288,501,968,860.38/696,875.40
  6. Step 6: Final answer
    x = 413,993.62

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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.