Home / 809,381.58-1,116,962.91-446,803.98

Finding the Fourth Proportional to 809,381.58, 1,116,962.91 and 446,803.98

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Solution

The fourth proportional to 809,381.58, 1,116,962.91 and 446,803.98 is: 616,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,381.58 : 1,116,962.91 = 446,803.98 : x
  2. Step 2: Convert to fraction form
    809,381.58/1,116,962.91 = 446,803.98/x
  3. Step 3: Cross multiply
    809,381.58x = 1,116,962.91 × 446,803.98
  4. Step 4: Simplify right side
    809,381.58x = 499,063,473,700.38
  5. Step 5: Solve for x
    x = 499,063,473,700.38/809,381.58
  6. Step 6: Final answer
    x = 616,598.51

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Double scale
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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.