Home / 828,153.76-1,142,841.24-460,628.40

Finding the Fourth Proportional to 828,153.76, 1,142,841.24 and 460,628.40

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Solution

The fourth proportional to 828,153.76, 1,142,841.24 and 460,628.40 is: 635,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,153.76 : 1,142,841.24 = 460,628.40 : x
  2. Step 2: Convert to fraction form
    828,153.76/1,142,841.24 = 460,628.40/x
  3. Step 3: Cross multiply
    828,153.76x = 1,142,841.24 × 460,628.40
  4. Step 4: Simplify right side
    828,153.76x = 526,425,131,835.22
  5. Step 5: Solve for x
    x = 526,425,131,835.22/828,153.76
  6. Step 6: Final answer
    x = 635,661.10

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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.