Home / 812,946.92-1,214,475.43-526,302.23

Finding the Fourth Proportional to 812,946.92, 1,214,475.43 and 526,302.23

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Solution

The fourth proportional to 812,946.92, 1,214,475.43 and 526,302.23 is: 786,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,946.92 : 1,214,475.43 = 526,302.23 : x
  2. Step 2: Convert to fraction form
    812,946.92/1,214,475.43 = 526,302.23/x
  3. Step 3: Cross multiply
    812,946.92x = 1,214,475.43 × 526,302.23
  4. Step 4: Simplify right side
    812,946.92x = 639,181,127,089.21
  5. Step 5: Solve for x
    x = 639,181,127,089.21/812,946.92
  6. Step 6: Final answer
    x = 786,251.98

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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.