Home / 912,958.61-1,369,438.45-344,185.25

Finding the Fourth Proportional to 912,958.61, 1,369,438.45 and 344,185.25

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Solution

The fourth proportional to 912,958.61, 1,369,438.45 and 344,185.25 is: 516,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,958.61 : 1,369,438.45 = 344,185.25 : x
  2. Step 2: Convert to fraction form
    912,958.61/1,369,438.45 = 344,185.25/x
  3. Step 3: Cross multiply
    912,958.61x = 1,369,438.45 × 344,185.25
  4. Step 4: Simplify right side
    912,958.61x = 471,340,507,565.21
  5. Step 5: Solve for x
    x = 471,340,507,565.21/912,958.61
  6. Step 6: Final answer
    x = 516,278.07

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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.