Home / 734,722.30-1,013,950.45-408,036.81

Finding the Fourth Proportional to 734,722.30, 1,013,950.45 and 408,036.81

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Solution

The fourth proportional to 734,722.30, 1,013,950.45 and 408,036.81 is: 563,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,722.30 : 1,013,950.45 = 408,036.81 : x
  2. Step 2: Convert to fraction form
    734,722.30/1,013,950.45 = 408,036.81/x
  3. Step 3: Cross multiply
    734,722.30x = 1,013,950.45 × 408,036.81
  4. Step 4: Simplify right side
    734,722.30x = 413,729,102,046.31
  5. Step 5: Solve for x
    x = 413,729,102,046.31/734,722.30
  6. Step 6: Final answer
    x = 563,109.50

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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.