Home / 866,298.98-1,195,431.90-503,697.11

Finding the Fourth Proportional to 866,298.98, 1,195,431.90 and 503,697.11

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Solution

The fourth proportional to 866,298.98, 1,195,431.90 and 503,697.11 is: 695,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,298.98 : 1,195,431.90 = 503,697.11 : x
  2. Step 2: Convert to fraction form
    866,298.98/1,195,431.90 = 503,697.11/x
  3. Step 3: Cross multiply
    866,298.98x = 1,195,431.90 × 503,697.11
  4. Step 4: Simplify right side
    866,298.98x = 602,135,589,848.66
  5. Step 5: Solve for x
    x = 602,135,589,848.66/866,298.98
  6. Step 6: Final answer
    x = 695,066.72

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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.