Home / 812,841.72-1,214,318.76-526,197.10

Finding the Fourth Proportional to 812,841.72, 1,214,318.76 and 526,197.10

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Solution

The fourth proportional to 812,841.72, 1,214,318.76 and 526,197.10 is: 786,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,841.72 : 1,214,318.76 = 526,197.10 : x
  2. Step 2: Convert to fraction form
    812,841.72/1,214,318.76 = 526,197.10/x
  3. Step 3: Cross multiply
    812,841.72x = 1,214,318.76 × 526,197.10
  4. Step 4: Simplify right side
    812,841.72x = 638,971,009,987.60
  5. Step 5: Solve for x
    x = 638,971,009,987.60/812,841.72
  6. Step 6: Final answer
    x = 786,095.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.