Home / 828,210.48-1,142,999.50-460,756.84

Finding the Fourth Proportional to 828,210.48, 1,142,999.50 and 460,756.84

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Solution

The fourth proportional to 828,210.48, 1,142,999.50 and 460,756.84 is: 635,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,210.48 : 1,142,999.50 = 460,756.84 : x
  2. Step 2: Convert to fraction form
    828,210.48/1,142,999.50 = 460,756.84/x
  3. Step 3: Cross multiply
    828,210.48x = 1,142,999.50 × 460,756.84
  4. Step 4: Simplify right side
    828,210.48x = 526,644,837,741.58
  5. Step 5: Solve for x
    x = 526,644,837,741.58/828,210.48
  6. Step 6: Final answer
    x = 635,882.85

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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.