Home / 910,329.66-1,365,497.73-311,723.46

Finding the Fourth Proportional to 910,329.66, 1,365,497.73 and 311,723.46

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Solution

The fourth proportional to 910,329.66, 1,365,497.73 and 311,723.46 is: 467,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,329.66 : 1,365,497.73 = 311,723.46 : x
  2. Step 2: Convert to fraction form
    910,329.66/1,365,497.73 = 311,723.46/x
  3. Step 3: Cross multiply
    910,329.66x = 1,365,497.73 × 311,723.46
  4. Step 4: Simplify right side
    910,329.66x = 425,657,677,017.75
  5. Step 5: Solve for x
    x = 425,657,677,017.75/910,329.66
  6. Step 6: Final answer
    x = 467,586.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.