Home / 895,814.28-1,236,223.68-493,406.28

Finding the Fourth Proportional to 895,814.28, 1,236,223.68 and 493,406.28

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Solution

The fourth proportional to 895,814.28, 1,236,223.68 and 493,406.28 is: 680,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,814.28 : 1,236,223.68 = 493,406.28 : x
  2. Step 2: Convert to fraction form
    895,814.28/1,236,223.68 = 493,406.28/x
  3. Step 3: Cross multiply
    895,814.28x = 1,236,223.68 × 493,406.28
  4. Step 4: Simplify right side
    895,814.28x = 609,960,527,196.71
  5. Step 5: Solve for x
    x = 609,960,527,196.71/895,814.28
  6. Step 6: Final answer
    x = 680,900.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.