Home / 649,181.63-895,981.89-377,407.17

Finding the Fourth Proportional to 649,181.63, 895,981.89 and 377,407.17

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Solution

The fourth proportional to 649,181.63, 895,981.89 and 377,407.17 is: 520,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,181.63 : 895,981.89 = 377,407.17 : x
  2. Step 2: Convert to fraction form
    649,181.63/895,981.89 = 377,407.17/x
  3. Step 3: Cross multiply
    649,181.63x = 895,981.89 × 377,407.17
  4. Step 4: Simplify right side
    649,181.63x = 338,149,984,996.24
  5. Step 5: Solve for x
    x = 338,149,984,996.24/649,181.63
  6. Step 6: Final answer
    x = 520,886.56

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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.