Home / 832,900.84-1,149,507.30-493,498.60

Finding the Fourth Proportional to 832,900.84, 1,149,507.30 and 493,498.60

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Solution

The fourth proportional to 832,900.84, 1,149,507.30 and 493,498.60 is: 681,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,900.84 : 1,149,507.30 = 493,498.60 : x
  2. Step 2: Convert to fraction form
    832,900.84/1,149,507.30 = 493,498.60/x
  3. Step 3: Cross multiply
    832,900.84x = 1,149,507.30 × 493,498.60
  4. Step 4: Simplify right side
    832,900.84x = 567,280,243,239.78
  5. Step 5: Solve for x
    x = 567,280,243,239.78/832,900.84
  6. Step 6: Final answer
    x = 681,089.77

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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.