Home / 818,226.46-1,128,570.86-546,157.18

Finding the Fourth Proportional to 818,226.46, 1,128,570.86 and 546,157.18

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Solution

The fourth proportional to 818,226.46, 1,128,570.86 and 546,157.18 is: 753,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,226.46 : 1,128,570.86 = 546,157.18 : x
  2. Step 2: Convert to fraction form
    818,226.46/1,128,570.86 = 546,157.18/x
  3. Step 3: Cross multiply
    818,226.46x = 1,128,570.86 × 546,157.18
  4. Step 4: Simplify right side
    818,226.46x = 616,377,078,327.78
  5. Step 5: Solve for x
    x = 616,377,078,327.78/818,226.46
  6. Step 6: Final answer
    x = 753,308.66

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Double scale
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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.