Home / 812,572.35-1,120,977.63-526,184.70

Finding the Fourth Proportional to 812,572.35, 1,120,977.63 and 526,184.70

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Solution

The fourth proportional to 812,572.35, 1,120,977.63 and 526,184.70 is: 725,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,572.35 : 1,120,977.63 = 526,184.70 : x
  2. Step 2: Convert to fraction form
    812,572.35/1,120,977.63 = 526,184.70/x
  3. Step 3: Cross multiply
    812,572.35x = 1,120,977.63 × 526,184.70
  4. Step 4: Simplify right side
    812,572.35x = 589,841,277,948.26
  5. Step 5: Solve for x
    x = 589,841,277,948.26/812,572.35
  6. Step 6: Final answer
    x = 725,893.86

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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.