Home / 763,146.12-1,144,718.10-264,510.12

Finding the Fourth Proportional to 763,146.12, 1,144,718.10 and 264,510.12

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Solution

The fourth proportional to 763,146.12, 1,144,718.10 and 264,510.12 is: 396,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,146.12 : 1,144,718.10 = 264,510.12 : x
  2. Step 2: Convert to fraction form
    763,146.12/1,144,718.10 = 264,510.12/x
  3. Step 3: Cross multiply
    763,146.12x = 1,144,718.10 × 264,510.12
  4. Step 4: Simplify right side
    763,146.12x = 302,789,521,997.17
  5. Step 5: Solve for x
    x = 302,789,521,997.17/763,146.12
  6. Step 6: Final answer
    x = 396,764.81

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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.