Home / 822,870.12-1,135,669.86-460,432.92

Finding the Fourth Proportional to 822,870.12, 1,135,669.86 and 460,432.92

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Solution

The fourth proportional to 822,870.12, 1,135,669.86 and 460,432.92 is: 635,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,870.12 : 1,135,669.86 = 460,432.92 : x
  2. Step 2: Convert to fraction form
    822,870.12/1,135,669.86 = 460,432.92/x
  3. Step 3: Cross multiply
    822,870.12x = 1,135,669.86 × 460,432.92
  4. Step 4: Simplify right side
    822,870.12x = 522,899,789,795.79
  5. Step 5: Solve for x
    x = 522,899,789,795.79/822,870.12
  6. Step 6: Final answer
    x = 635,458.47

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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.