Home / 822,705.66-1,135,336.40-460,135.69

Finding the Fourth Proportional to 822,705.66, 1,135,336.40 and 460,135.69

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Solution

The fourth proportional to 822,705.66, 1,135,336.40 and 460,135.69 is: 634,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,705.66 : 1,135,336.40 = 460,135.69 : x
  2. Step 2: Convert to fraction form
    822,705.66/1,135,336.40 = 460,135.69/x
  3. Step 3: Cross multiply
    822,705.66x = 1,135,336.40 × 460,135.69
  4. Step 4: Simplify right side
    822,705.66x = 522,408,794,382.61
  5. Step 5: Solve for x
    x = 522,408,794,382.61/822,705.66
  6. Step 6: Final answer
    x = 634,988.70

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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.