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Finding the Fourth Proportional to 894,891.84, 1,234,937.77 and 492,483.84

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Solution

The fourth proportional to 894,891.84, 1,234,937.77 and 492,483.84 is: 679,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,891.84 : 1,234,937.77 = 492,483.84 : x
  2. Step 2: Convert to fraction form
    894,891.84/1,234,937.77 = 492,483.84/x
  3. Step 3: Cross multiply
    894,891.84x = 1,234,937.77 × 492,483.84
  4. Step 4: Simplify right side
    894,891.84x = 608,186,895,130.64
  5. Step 5: Solve for x
    x = 608,186,895,130.64/894,891.84
  6. Step 6: Final answer
    x = 679,620.56

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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.