Home / 822,246.57-1,134,708.71-459,690.57

Finding the Fourth Proportional to 822,246.57, 1,134,708.71 and 459,690.57

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Solution

The fourth proportional to 822,246.57, 1,134,708.71 and 459,690.57 is: 634,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,246.57 : 1,134,708.71 = 459,690.57 : x
  2. Step 2: Convert to fraction form
    822,246.57/1,134,708.71 = 459,690.57/x
  3. Step 3: Cross multiply
    822,246.57x = 1,134,708.71 × 459,690.57
  4. Step 4: Simplify right side
    822,246.57x = 521,614,891,385.41
  5. Step 5: Solve for x
    x = 521,614,891,385.41/822,246.57
  6. Step 6: Final answer
    x = 634,377.70

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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.