Home / 912,434-1,368,950.86-373,143.92

Finding the Fourth Proportional to 912,434, 1,368,950.86 and 373,143.92

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Solution

The fourth proportional to 912,434, 1,368,950.86 and 373,143.92 is: 559,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,434 : 1,368,950.86 = 373,143.92 : x
  2. Step 2: Convert to fraction form
    912,434/1,368,950.86 = 373,143.92/x
  3. Step 3: Cross multiply
    912,434x = 1,368,950.86 × 373,143.92
  4. Step 4: Simplify right side
    912,434x = 510,815,690,187.77
  5. Step 5: Solve for x
    x = 510,815,690,187.77/912,434
  6. Step 6: Final answer
    x = 559,838.51

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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.