Home / 810,176.70-1,118,066.40-447,623.94

Finding the Fourth Proportional to 810,176.70, 1,118,066.40 and 447,623.94

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Solution

The fourth proportional to 810,176.70, 1,118,066.40 and 447,623.94 is: 617,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,176.70 : 1,118,066.40 = 447,623.94 : x
  2. Step 2: Convert to fraction form
    810,176.70/1,118,066.40 = 447,623.94/x
  3. Step 3: Cross multiply
    810,176.70x = 1,118,066.40 × 447,623.94
  4. Step 4: Simplify right side
    810,176.70x = 500,473,287,149.62
  5. Step 5: Solve for x
    x = 500,473,287,149.62/810,176.70
  6. Step 6: Final answer
    x = 617,733.50

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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.