Home / 649,134.37-895,758.51-358,742.46

Finding the Fourth Proportional to 649,134.37, 895,758.51 and 358,742.46

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Solution

The fourth proportional to 649,134.37, 895,758.51 and 358,742.46 is: 495,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,134.37 : 895,758.51 = 358,742.46 : x
  2. Step 2: Convert to fraction form
    649,134.37/895,758.51 = 358,742.46/x
  3. Step 3: Cross multiply
    649,134.37x = 895,758.51 × 358,742.46
  4. Step 4: Simplify right side
    649,134.37x = 321,346,611,443.34
  5. Step 5: Solve for x
    x = 321,346,611,443.34/649,134.37
  6. Step 6: Final answer
    x = 495,038.66

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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.