Home / 833,478.84-1,150,199.76-451,507.20

Finding the Fourth Proportional to 833,478.84, 1,150,199.76 and 451,507.20

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Solution

The fourth proportional to 833,478.84, 1,150,199.76 and 451,507.20 is: 623,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,478.84 : 1,150,199.76 = 451,507.20 : x
  2. Step 2: Convert to fraction form
    833,478.84/1,150,199.76 = 451,507.20/x
  3. Step 3: Cross multiply
    833,478.84x = 1,150,199.76 × 451,507.20
  4. Step 4: Simplify right side
    833,478.84x = 519,323,473,078.27
  5. Step 5: Solve for x
    x = 519,323,473,078.27/833,478.84
  6. Step 6: Final answer
    x = 623,079.37

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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.