Home / 912,237.53-1,369,037.90-344,178.86

Finding the Fourth Proportional to 912,237.53, 1,369,037.90 and 344,178.86

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Solution

The fourth proportional to 912,237.53, 1,369,037.90 and 344,178.86 is: 516,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,237.53 : 1,369,037.90 = 344,178.86 : x
  2. Step 2: Convert to fraction form
    912,237.53/1,369,037.90 = 344,178.86/x
  3. Step 3: Cross multiply
    912,237.53x = 1,369,037.90 × 344,178.86
  4. Step 4: Simplify right side
    912,237.53x = 471,193,897,734.05
  5. Step 5: Solve for x
    x = 471,193,897,734.05/912,237.53
  6. Step 6: Final answer
    x = 516,525.45

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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.