Home / 806,839.59-1,113,587.96-467,307.75

Finding the Fourth Proportional to 806,839.59, 1,113,587.96 and 467,307.75

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Solution

The fourth proportional to 806,839.59, 1,113,587.96 and 467,307.75 is: 644,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,839.59 : 1,113,587.96 = 467,307.75 : x
  2. Step 2: Convert to fraction form
    806,839.59/1,113,587.96 = 467,307.75/x
  3. Step 3: Cross multiply
    806,839.59x = 1,113,587.96 × 467,307.75
  4. Step 4: Simplify right side
    806,839.59x = 520,388,281,678.15
  5. Step 5: Solve for x
    x = 520,388,281,678.15/806,839.59
  6. Step 6: Final answer
    x = 644,971.18

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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.