Home / 693,534.08-956,926.56-403,198.40

Finding the Fourth Proportional to 693,534.08, 956,926.56 and 403,198.40

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Solution

The fourth proportional to 693,534.08, 956,926.56 and 403,198.40 is: 556,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,534.08 : 956,926.56 = 403,198.40 : x
  2. Step 2: Convert to fraction form
    693,534.08/956,926.56 = 403,198.40/x
  3. Step 3: Cross multiply
    693,534.08x = 956,926.56 × 403,198.40
  4. Step 4: Simplify right side
    693,534.08x = 385,831,257,909.50
  5. Step 5: Solve for x
    x = 385,831,257,909.50/693,534.08
  6. Step 6: Final answer
    x = 556,326.31

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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.