Home / 810,044.32-1,117,839.50-447,460.40

Finding the Fourth Proportional to 810,044.32, 1,117,839.50 and 447,460.40

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Solution

The fourth proportional to 810,044.32, 1,117,839.50 and 447,460.40 is: 617,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,044.32 : 1,117,839.50 = 447,460.40 : x
  2. Step 2: Convert to fraction form
    810,044.32/1,117,839.50 = 447,460.40/x
  3. Step 3: Cross multiply
    810,044.32x = 1,117,839.50 × 447,460.40
  4. Step 4: Simplify right side
    810,044.32x = 500,188,909,805.80
  5. Step 5: Solve for x
    x = 500,188,909,805.80/810,044.32
  6. Step 6: Final answer
    x = 617,483.39

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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.