Home / 822,494.79-1,135,036.40-459,919.35

Finding the Fourth Proportional to 822,494.79, 1,135,036.40 and 459,919.35

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Solution

The fourth proportional to 822,494.79, 1,135,036.40 and 459,919.35 is: 634,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,494.79 : 1,135,036.40 = 459,919.35 : x
  2. Step 2: Convert to fraction form
    822,494.79/1,135,036.40 = 459,919.35/x
  3. Step 3: Cross multiply
    822,494.79x = 1,135,036.40 × 459,919.35
  4. Step 4: Simplify right side
    822,494.79x = 522,025,201,014.74
  5. Step 5: Solve for x
    x = 522,025,201,014.74/822,494.79
  6. Step 6: Final answer
    x = 634,685.12

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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.