Home / 828,296.76-1,143,059.26-501,603.92

Finding the Fourth Proportional to 828,296.76, 1,143,059.26 and 501,603.92

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Solution

The fourth proportional to 828,296.76, 1,143,059.26 and 501,603.92 is: 692,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,296.76 : 1,143,059.26 = 501,603.92 : x
  2. Step 2: Convert to fraction form
    828,296.76/1,143,059.26 = 501,603.92/x
  3. Step 3: Cross multiply
    828,296.76x = 1,143,059.26 × 501,603.92
  4. Step 4: Simplify right side
    828,296.76x = 573,363,005,608.30
  5. Step 5: Solve for x
    x = 573,363,005,608.30/828,296.76
  6. Step 6: Final answer
    x = 692,219.30

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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.